Central Arizona Raceway: Latest Race Results & Standings


Central Arizona Raceway: Latest Race Results & Standings

Data relating to race outcomes on the Avondale, Arizona motorsport facility encompasses numerous information factors. These embody ending positions for every racing class, qualifying instances, quickest lap speeds, and any penalties or incidents affecting the ultimate standings. Particular examples is likely to be the winner of a NASCAR Cup Sequence race, the pole place holder for an IndyCar occasion, or the lap instances of opponents in a Nationwide Sizzling Rod Affiliation (NHRA) drag race. This information provides a complete document of every occasion held on the observe.

Entry to this historic information offers important worth to a number of stakeholders. Groups and drivers can analyze previous efficiency to refine methods and enhance future outcomes. Followers acquire a deeper understanding of the competitors and the observe’s historical past. Journalists and analysts use the info to report on occasions and determine rising traits in motorsport. The provision of this info contributes to the transparency and historic document of racing on the facility, fostering larger engagement and evaluation inside the motorsport group.

This text will additional discover numerous elements of competitors on the observe, together with notable occasions, important data, and the influence of observe circumstances on racing outcomes. It’ll additionally delve into the evolution of the ability and its function within the broader motorsports panorama.

1. Ending Positions

Ending positions signify the definitive consequence of any race held at Central Arizona Raceway. They decide the official order of opponents on the conclusion of the occasion, dictating which drivers and groups earn championship factors, prize cash, and recognition. A primary-place end signifies victory, whereas subsequent positions mirror various levels of aggressive success. The distinction between a podium end and positions additional down the grid can have substantial implications for a workforce’s season-long efficiency and total standing. As an example, a driver persistently ending within the prime 5 accumulates considerably extra factors than a driver continuously inserting exterior the highest ten, influencing championship rivalry. The 2022 NASCAR Cup Sequence race noticed a dramatic last-lap move for the win, highlighting the essential significance of ultimate ending positions.

Evaluation of ending positions over a number of races on the observe can reveal traits in driver efficiency, workforce methods, and the influence of automotive setups. A driver persistently ending within the prime ten at Central Arizona Raceway might point out a specific proficiency on that observe’s configuration or efficient strategic variations by their workforce. Conversely, a string of poor finishes may counsel areas needing enchancment. Evaluating ending positions with qualifying positions may present perception into race technique and efficiency. A driver persistently bettering their place through the race demonstrates sturdy racecraft and pit technique, whereas a driver often shedding positions might point out points with automotive efficiency or strategic errors. Inspecting these relationships offers precious information for groups looking for to optimize their efficiency.

Understanding the importance of ending positions is important for comprehending the dynamics of motorsport competitors at Central Arizona Raceway. These outcomes are usually not merely a snapshot of a single race; they contribute to the broader narrative of the racing season and supply essential efficiency benchmarks. The pursuit of improved ending positions drives steady improvement inside groups, main to subtle methods, technological developments, and in the end, a extra compelling spectacle for racing lovers. Additional evaluation of particular races and driver histories on the observe can reveal much more nuanced insights into the elements influencing ending positions and their influence on total championship outcomes.

2. Qualifying Occasions

Qualifying instances at Central Arizona Raceway instantly affect race outcomes. A powerful qualifying efficiency interprets to a positive beginning place on the grid, providing a big benefit within the preliminary levels of the race. Understanding the nuances of qualifying periods is essential for decoding race outcomes and appreciating the strategic choices groups make all through the race weekend.

  • Observe Place Benefit

    Beginning nearer to the entrance minimizes the chance of early incidents and permits drivers to contend for the lead from the outset. A driver beginning on pole place has a transparent observe forward and might dictate the tempo within the opening laps. Conversely, drivers beginning additional again face a larger problem, navigating by means of site visitors and doubtlessly encountering incidents that compromise their race. The 2021 NASCAR Xfinity Sequence race noticed the pole-sitter lead a good portion of the early laps, demonstrating the benefit of a powerful qualifying effort.

  • Strategic Implications

    Qualifying instances affect race technique, significantly tire administration and pit cease planning. A driver beginning close to the entrance might be able to preserve tires early within the race, extending their stint and doubtlessly gaining a bonus throughout later pit stops. Conversely, drivers beginning mid-pack or additional again may undertake extra aggressive methods, aiming to achieve positions early and offset the drawback of their beginning place. The significance of tire administration is commonly amplified at Central Arizona Raceway as a result of observe’s abrasive floor and excessive tire put on.

  • Psychological Influence

    Qualifying efficiency can have a psychological influence on drivers. A powerful qualifying session can increase driver confidence, whereas a poor qualifying efficiency can result in frustration and elevated stress to make up floor through the race. This psychological aspect can affect driver choices through the race, impacting aggressiveness, risk-taking, and total efficiency. The stress to advance from a poor beginning place can typically result in driver errors and incidents, as seen in a number of previous races on the observe.

  • Predictive Worth

    Whereas qualifying instances do not assure race outcomes, they provide precious predictive insights. Drivers persistently qualifying on the entrance are typically sturdy contenders for race wins and podium finishes. Analyzing qualifying instances alongside historic race information may help determine potential front-runners and predict race outcomes with larger accuracy. Nevertheless, sudden incidents and altering observe circumstances can at all times affect the ultimate outcomes, highlighting the dynamic nature of motorsport competitors. The 2020 NASCAR Truck Sequence race noticed a shock winner who certified exterior the highest ten, demonstrating that qualifying efficiency is only one piece of the puzzle.

Qualifying instances are an integral a part of the aggressive narrative at Central Arizona Raceway. They affect beginning positions, race methods, driver psychology, and even provide predictive worth for race outcomes. Whereas not the only real determinant of success, a powerful qualifying efficiency offers a vital basis for a aggressive race and considerably impacts the unfolding occasions on race day.

3. Quickest Laps

Quickest lap instances recorded throughout a race at Central Arizona Raceway provide precious insights past merely figuring out the motive force who achieved the very best velocity at a given second. Whereas in a roundabout way influencing closing race ends in the identical approach as ending positions or qualifying instances, quickest laps present essential information factors for understanding race dynamics, automotive efficiency, and driver talent. Evaluation of quickest lap information, significantly when thought of together with total race outcomes, can reveal essential strategic choices, potential efficiency benefits, and the influence of adjusting observe circumstances all through an occasion.

A driver persistently setting quickest laps, even with out securing the win, might point out a superior automotive setup or a driver pushing the bounds of efficiency. This info is efficacious for opponents looking for to determine areas for enchancment in their very own methods and automotive configurations. For instance, through the 2019 IndyCar race, the motive force who completed second persistently clocked the quickest laps, suggesting a doubtlessly quicker automotive hampered by strategic choices or different race circumstances. This type of evaluation offers precious context for understanding the race consequence past the ultimate ending order. Moreover, evaluating quickest lap instances throughout completely different stints inside a race can illuminate tire degradation charges and the effectiveness of pit methods. A driver setting their quickest lap late in a gasoline run demonstrates sturdy tire administration, a vital issue for fulfillment at Central Arizona Raceway given its demanding observe floor.

Understanding the importance of quickest lap information enhances comprehension of the nuances inside race outcomes at Central Arizona Raceway. Whereas in a roundabout way figuring out the winner, quickest laps provide insights into automotive efficiency, driver talent, and strategic choices. This information, mixed with different race metrics, offers a extra complete understanding of the aggressive panorama and the elements contributing to success on this difficult observe. Additional investigation into particular race information and driver histories at Central Arizona Raceway can reveal extra detailed connections between quickest laps, race technique, and total outcomes. This deeper understanding contributes to a richer appreciation of the complexities and strategic intricacies inherent in motorsport competitors.

4. Penalties

Penalties issued throughout races at Central Arizona Raceway considerably affect race outcomes, typically dramatically altering the aggressive panorama and closing outcomes. Understanding the varied sorts of penalties, their causes, and their influence on race technique is essential for decoding race outcomes and appreciating the complexities of motorsport competitors at this venue. Penalties can vary from minor infractions, reminiscent of dashing on pit highway, to main offenses, like unsafe driving or unsportsmanlike conduct. Every penalty carries particular penalties, impacting a driver’s observe place, total race technique, and in the end, their closing end result.

A drive-through penalty, for instance, requires the motive force to proceed by means of pit highway at a lowered velocity, costing precious time and observe place. The sort of penalty can disrupt a driver’s rhythm and compromise their capacity to keep up tempo with opponents. A extra extreme penalty, reminiscent of a black flag, requires the motive force to return to the pits and will even end in disqualification from the race. The influence of such a penalty may be devastating, successfully ending a driver’s likelihood of a powerful end or victory. Within the 2017 NASCAR Cup Sequence race, a late-race penalty for an uncontrolled tire considerably impacted the ultimate working order, demonstrating the instant and sometimes irreversible penalties of penalties.

The strategic implications of penalties prolong past the instant lack of observe place. Drivers dealing with penalties should modify their race technique to mitigate the injury. This may contain adopting a extra aggressive method to regain misplaced positions or conserving gasoline and tires to increase observe stints and decrease the influence of future pit stops. The presence of penalties provides one other layer of complexity to race evaluation, requiring consideration of not solely on-track efficiency but additionally adherence to laws and the potential penalties of infractions. Understanding the function and influence of penalties in shaping race outcomes at Central Arizona Raceway offers a extra full and nuanced perspective on the aggressive dynamics of motorsport at this demanding venue.

5. Incidents

Incidents occurring throughout races at Central Arizona Raceway continuously and considerably affect race outcomes. These unexpected occasions, starting from minor spins to main collisions, disrupt the meant circulate of competitors and sometimes create unpredictable outcomes. Analyzing the character, timing, and penalties of incidents offers essential context for understanding closing race outcomes and the general aggressive panorama at this venue.

  • On-Observe Collisions

    Contact between competing automobiles may end up in injury starting from minor beauty blemishes to race-ending mechanical failures. Such incidents typically result in warning intervals, bunching the sphere and creating alternatives for drivers to achieve or lose important observe place. The 2018 NASCAR Xfinity Sequence race noticed a multi-car collision on a late-race restart, dramatically reshaping the ultimate working order. Analyzing these incidents requires consideration of the drivers concerned, the situation on the observe, and the ensuing influence on automotive efficiency and race technique.

  • Single-Automotive Incidents

    Driver error, mechanical failures, or particles on the observe may cause a single automotive to spin or crash, doubtlessly bringing out a warning flag and impacting the general circulate of the race. These incidents can considerably have an effect on the motive force concerned, typically leading to misplaced observe place and even retirement from the race. The 2016 IndyCar race noticed a number one contender spin out late within the race resulting from a tire failure, highlighting the unpredictable nature of single-car incidents and their potential to disrupt even probably the most dominant performances. Inspecting these incidents typically reveals insights into automotive setup, observe circumstances, and driver efficiency.

  • Particles Cautions

    Particles on the observe, whether or not from automotive contact, mechanical failures, or exterior elements, continuously necessitates warning intervals. Whereas in a roundabout way involving contact between automobiles, particles cautions disrupt race circulate, bunching the sphere and creating strategic alternatives for pit stops and observe place modifications. The 2015 NASCAR Truck Sequence race noticed a number of particles cautions, considerably impacting gasoline technique and creating unpredictable swings within the working order. Analyzing these incidents typically requires understanding the supply of the particles, the timing of the warning, and the next strategic choices made by groups.

  • Climate-Associated Incidents

    Sudden modifications in climate circumstances, reminiscent of rain showers or sturdy winds, can create hazardous observe circumstances, growing the probability of incidents. Rain can considerably scale back tire grip, resulting in spins and crashes. Sturdy winds can have an effect on automotive dealing with and improve the chance of particles on the observe. The 2014 NASCAR Cup Sequence race was impacted by a late-race rain bathe, resulting in a number of incidents and a dramatic end. Understanding the affect of climate on race outcomes requires analyzing the particular climate circumstances, the timing of the change, and the influence on driver habits and automotive efficiency.

Incidents are an inherent a part of motorsport competitors at Central Arizona Raceway. Their unpredictable nature provides a component of likelihood and drama to each race, shaping the ultimate outcomes and sometimes creating compelling storylines. Analyzing incidents alongside different race information, reminiscent of qualifying instances, quickest laps, and pit cease methods, offers a extra full understanding of the advanced elements figuring out race outcomes at this dynamic venue.

6. Margin of Victory

Margin of victory at Central Arizona Raceway, whether or not measured in time or distance, offers a quantifiable measure of race competitiveness. A slim margin suggests a intently contested race, doubtlessly determined by strategic choices, late-race passes, and even picture finishes. Conversely, a big margin typically signifies a dominant efficiency by the successful driver or workforce. Inspecting margin of victory information throughout a number of races on the venue reveals patterns in competitiveness, highlighting the influence of observe traits, automotive setups, and driver talent. For instance, the 2023 NASCAR Cup Sequence race noticed a margin of victory of simply 0.12 seconds, indicative of an exhilarating, intently fought battle. Evaluating this end result with a race from the earlier season that had a margin of victory exceeding 5 seconds illustrates the variability in competitors and the insights provided by this metric.

Analyzing margin of victory alongside different race statistics offers deeper context. A small margin of victory mixed with quite a few lead modifications suggests a extremely aggressive race with a number of contenders battling for the lead. In distinction, a big margin of victory with few lead modifications typically signifies a dominant efficiency. This comparative evaluation helps perceive the circulate and depth of previous races. Additional exploring margin of victory information alongside elements reminiscent of qualifying efficiency, quickest lap instances, and incident frequency can present much more granular insights into the dynamics of particular person races and total traits on the observe. This understanding can profit groups looking for to optimize their methods and enhance their efficiency at Central Arizona Raceway.

Understanding margin of victory enriches the evaluation of Central Arizona Raceway race outcomes, offering a tangible measure of competitiveness. This metric, thought of together with different efficiency indicators, contributes to a complete understanding of race dynamics, driver talent, and the affect of observe traits. Inspecting historic margin of victory information can inform future predictions and provide precious insights for groups and drivers looking for to enhance their efficiency at this difficult venue.

7. Lead Adjustments

The frequency of lead modifications throughout a race at Central Arizona Raceway serves as a compelling indicator of race competitiveness and pleasure. A excessive variety of lead modifications sometimes signifies a intently contested occasion, with a number of drivers vying for the highest place. Conversely, a race with few or no lead modifications typically signifies a dominant efficiency by a single driver or workforce. Analyzing lead change information alongside different race metrics offers a deeper understanding of race dynamics and the elements contributing to the ultimate outcomes.

  • Influence on Race Technique

    Frequent lead modifications can pressure groups to regulate their methods on the fly. A driver immediately discovering themselves within the lead might undertake a extra conservative method to guard their place, whereas drivers additional again may take extra dangers to regain misplaced floor. The 2014 NASCAR Cup Sequence race, that includes quite a few lead modifications, exemplified this dynamic, with groups always adapting their pit methods and tire administration in response to shifting observe positions.

  • Indicator of Driver Talent and Automotive Efficiency

    Lead modifications typically mirror the interaction between driver talent and automotive efficiency. A driver capable of persistently overtake opponents demonstrates sturdy racecraft and automotive management. Equally, a automotive able to sustaining a lead below stress suggests a superior setup or inherent efficiency benefit. The 2019 IndyCar race at Central Arizona Raceway, with its frequent lead modifications, showcased the drivers’ talents to navigate the observe effectively and execute profitable passing maneuvers.

  • Pleasure and Fan Engagement

    Races with frequent lead modifications inherently generate pleasure and improve spectator engagement. The fixed battle for the highest place creates dramatic stress and uncertainty, conserving followers captivated till the ultimate lap. The 2021 NASCAR Xfinity Sequence race, marked by quite a few lead modifications all through the occasion, offered an exhilarating spectacle for attendees and tv viewers alike. This dynamic aspect provides to the general leisure worth and underscores the compelling nature of shut competitors.

  • Affect of Observe Circumstances and Race Circumstances

    Observe circumstances, reminiscent of tire put on and temperature fluctuations, can affect the frequency of lead modifications. Adjustments in observe temperature can influence tire grip and automotive dealing with, doubtlessly creating alternatives for passing. Incidents and warning intervals may bunch the sphere, setting the stage for dramatic lead modifications on restarts. The 2022 NASCAR Truck Sequence race noticed a number of lead modifications following late-race cautions, highlighting the affect of race circumstances on the battle for the highest place.

Analyzing lead change information offers precious insights into the aggressive dynamics of races at Central Arizona Raceway. By inspecting the frequency and timing of lead modifications in relation to different race statistics, one good points a extra nuanced understanding of driver talent, automotive efficiency, race technique, and the general pleasure of the occasion. This evaluation enriches the interpretation of race outcomes and contributes to a deeper appreciation of the complexities of motorsport competitors at this venue.

8. Common Pace

Common velocity, calculated by dividing the entire distance coated by the entire time elapsed, serves as a big metric in analyzing race outcomes at Central Arizona Raceway. Whereas ending place in the end determines the winner, common velocity offers essential context, revealing insights into automotive efficiency, race technique, and the influence of observe circumstances. The next common velocity does not essentially assure victory, however it typically correlates with sturdy finishes, particularly in races with few warning intervals. As an example, the winner of the 2020 IndyCar race at Central Arizona Raceway additionally recorded the very best common velocity, demonstrating the connection between velocity and success. Nevertheless, inspecting common velocity together with different race metrics offers a extra complete understanding. A driver with a excessive common velocity however a decrease ending place may need skilled a late-race incident or adopted a unique pit technique. Conversely, a driver with a decrease common velocity however the next ending place may need benefited from strategic choices throughout warning intervals or capitalized on incidents involving different opponents. Think about the 2019 NASCAR Cup Sequence race the place the motive force with the second-highest common velocity in the end gained resulting from a late-race move following a warning interval.

Understanding the connection between common velocity and race outcomes necessitates analyzing the particular observe circumstances. Larger observe temperatures can result in elevated tire put on, doubtlessly impacting common speeds as drivers handle tire degradation. Wind circumstances may have an effect on automotive dealing with and total velocity, significantly on high-speed ovals. The presence of particles on the observe, typically resulting in warning intervals, instantly influences common velocity calculations as a result of lowered velocity below warning. Evaluating common speeds throughout completely different races on the similar venue may reveal the affect of observe enhancements or modifications in automotive specs. For instance, resurfacing the observe may result in larger common speeds in subsequent races. The sensible utility of this understanding lies within the capacity of groups to investigate previous race information, determine traits, and optimize their automotive setups and methods to enhance future efficiency at Central Arizona Raceway. This may contain adjusting downforce ranges for optimum velocity, implementing tire administration methods, or refining pit cease procedures to attenuate time misplaced within the pits.

In abstract, common velocity offers precious insights into the complexities of race outcomes at Central Arizona Raceway. Whereas not the only real determinant of success, analyzing common velocity together with different race metricssuch as lap instances, pit stops, and incidentsoffers a complete understanding of race dynamics and the elements contributing to a successful efficiency. Understanding this interconnectedness permits for a extra nuanced interpretation of race outcomes, enhancing appreciation for the strategic depth of motorsport competitors at this demanding venue.

Regularly Requested Questions on Race Outcomes

This part addresses widespread inquiries relating to race outcomes at Central Arizona Raceway, offering readability on information interpretation and entry.

Query 1: The place can historic race outcomes be discovered?

Historic race outcomes for Central Arizona Raceway can sometimes be discovered on the official observe web site, motorsport information shops, and racing information archives. A number of specialised web sites compile and keep historic racing information throughout numerous sequence.

Query 2: How are official race outcomes decided?

Official race outcomes are decided based mostly on the order through which automobiles cross the end line after the completion of the designated race distance or time. Race officers evaluation timing and scoring information, video replays, and any reported incidents to substantiate the ultimate order and handle potential rule infractions.

Query 3: What elements can affect race outcomes past driver talent?

Quite a few elements affect race outcomes. Mechanical efficiency and reliability of the automotive, strategic choices relating to tire administration and pit stops, unpredictable incidents reminiscent of crashes or particles cautions, and even climate circumstances all play a big function in shaping the ultimate consequence.

Query 4: How are penalties utilized, and the way do they have an effect on outcomes?

Penalties are utilized for rule infractions, starting from dashing on pit highway to on-track incidents. Penalties differ in severity, from time penalties including seconds to a driver’s complete race time, to drive-through penalties requiring a sluggish move by means of pit lane, and even disqualification in excessive circumstances. These penalties can considerably influence a driver’s ending place and total race end result.

Query 5: How does qualifying influence race outcomes?

Qualifying determines the beginning grid order for the race. The next qualifying place offers a strategic benefit, permitting drivers to keep away from early race congestion and doubtlessly keep a number one place. Nevertheless, race outcomes are dynamic and influenced by a number of elements, that means a powerful qualifying efficiency doesn’t assure victory, and a decrease qualifying place doesn’t preclude a profitable race.

Query 6: How is common velocity calculated, and what does it signify?

Common velocity is calculated by dividing the entire race distance by the entire time taken to finish the race. It offers a normal indication of total automotive efficiency and race tempo. Nevertheless, it is essential to contemplate that common velocity may be influenced by warning intervals and different race interruptions. Subsequently, it needs to be analyzed together with different race metrics for an entire understanding of efficiency.

Understanding these continuously requested questions enhances comprehension of the complexities and nuances related to decoding race outcomes at Central Arizona Raceway. Correct evaluation requires consideration of a number of information factors and consciousness of the varied elements impacting race outcomes.

The next part will delve into particular examples of notable races held at Central Arizona Raceway, highlighting key moments and strategic choices that formed the ultimate outcomes.

Suggestions for Deciphering Race Outcomes Knowledge

Analyzing race information successfully requires a nuanced method. The following tips present steerage for decoding outcomes and extracting significant insights from the out there info.

Tip 1: Think about the Context of the Sequence.
Completely different racing sequence have distinctive traits. Open-wheel racing emphasizes qualifying efficiency and observe place, whereas inventory automotive racing typically entails extra close-quarters battles and strategic pit stops. Understanding these nuances is essential for correct interpretation.

Tip 2: Analyze Qualifying Efficiency.
Qualifying instances reveal essential details about automotive setup and driver talent. A driver persistently qualifying nicely demonstrates each sturdy gear and driving capacity. This info can be utilized to foretell potential front-runners and assess a driver’s possibilities of success.

Tip 3: Study Quickest Lap Occasions.
Quickest lap instances can point out which drivers and groups possess the uncooked velocity to contend for the lead, even when their total ending place does not mirror this potential. They provide insights into automotive efficiency and driver capabilities past the ultimate outcomes.

Tip 4: Account for Penalties and Incidents.
Penalties and incidents disrupt race circulate and considerably influence ending positions. Analyzing these occasions offers precious context for understanding why a driver may need completed decrease than anticipated or how a shock winner emerged.

Tip 5: Consider Margin of Victory.
Margin of victory provides a measure of race competitiveness. A slim margin signifies a intently contested race, whereas a big margin typically suggests a dominant efficiency. This metric helps gauge the relative power of opponents.

Tip 6: Assess the Variety of Lead Adjustments.
Frequent lead modifications sometimes point out a extremely aggressive race with a number of contenders. Analyzing this metric alongside margin of victory offers a complete image of race dynamics.

Tip 7: Consider Common Pace.
Whereas not the only real indicator of efficiency, common velocity displays total tempo and effectivity. This information level needs to be thought of together with different metrics to grasp a driver’s efficiency relative to the sphere.

Tip 8: Cross-Reference A number of Knowledge Sources.
Consulting numerous sources, together with official timing and scoring information, race experiences, and skilled evaluation, offers a extra complete and correct understanding of occasions.

By making use of the following pointers, one can extract precious insights from race outcomes information, transferring past merely acknowledging the ending order to grasp the advanced elements that formed the race consequence. This deeper understanding enhances appreciation for the strategic nuances and aggressive dynamics of motorsport.

The next conclusion will summarize the important thing takeaways and spotlight the broader significance of analyzing race outcomes at Central Arizona Raceway.

Conclusion

This exploration of race end result information at Central Arizona Raceway has highlighted the multifaceted nature of decoding outcomes in motorsport. Ending positions, whereas definitive, signify just one aspect of a fancy narrative woven by means of qualifying instances, quickest laps, penalties, incidents, margin of victory, lead modifications, and common speeds. Every information level contributes to a complete understanding of the aggressive panorama, revealing the interaction of driver talent, strategic choices, automotive efficiency, and the unpredictable nature of racing. Analyzing these parts collectively offers a richer, extra nuanced perspective than merely acknowledging the ultimate standings.

Continued evaluation of race outcomes at Central Arizona Raceway stays essential for groups, drivers, analysts, and followers looking for to grasp efficiency traits and the evolving dynamics of competitors at this venue. Inspecting historic information, alongside ongoing outcomes, permits for the identification of patterns, the analysis of strategic choices, and the anticipation of future outcomes. This pursuit of deeper understanding enhances appreciation for the intricacies of motorsport and contributes to the continuing evolution of racing at Central Arizona Raceway.