One of the biggest crashes of the NASCAR season unfolded Saturday in Southern California when a chain reaction wreck involving 25 cars turned a routine restart into utter chaos.
The dramatic accident occurred during the NASCAR O’Reilly Auto Parts Series event at Naval Base Coronado and immediately brought the race to a halt as emergency crews rushed onto the track.
Fortunately, no serious injuries were reported, but the accident left a trail of wrecked race cars, damaged barriers and several wrecked drivers.
Disaster strikes after the restart in the last phase
The incident occurred shortly after the field had restarted for the final stage of the race.
As the drivers battled to enter Turn 1, Sam Mayer clipped the inside wall while navigating through traffic.
The initial contact quickly escalated.
Mayer’s car shot back into the racing groove and collided with Anthony Alfredo, creating a domino effect that quickly spread through the packed field.
Within seconds, cars were spinning, crashing and crashing into each other as drivers had little time or space to react.
What began as a single mistake quickly became one of the biggest wrecks seen this season.
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Track turns into a scene of destruction
The aftermath was staggering.
Damaged vehicles were scattered across the track, with several sustaining extensive front and side damage.
The force of the impact was so significant that part of the concrete wall was reportedly displaced several meters from its original position.
Race officials immediately displayed caution flags and stopped the event while crews worked to clear debris and repair the course.
The cleanup process took more than 40 minutes before racing could resume.
Several drivers eliminated
Although all drivers involved escaped without major injuries, many teams saw their races end immediately.
Mayer, Alfredo, William Sawalich and several others suffered extensive injuries that prevented them from continuing.
The incident wiped out a significant portion of the field and drastically changed the outcome of the race.
Medical personnel evaluated several drivers following the crash, but NASCAR later confirmed that those being examined were released from the infield care center.
Mayer takes responsibility
After the race, Mayer did not try to avoid the blame.
The young driver openly acknowledged his role in the accident and offered a public apology to competitors, teams and fans.
Mayer was clearly emotional and described himself as devastated by what happened and admitted the mistake was unacceptable.
He stressed that drivers at this level cannot afford mistakes that affect so many others and promised to learn from the experience going forward.
His accountability drew praise from some fans, though it did little to ease the frustration of teams whose runs ended in wrecks.
Alfredo describes the terrifying impact
For Anthony Alfredo, the crash was particularly frightening.
Speaking afterwards, Alfredo revealed that the collision was the hardest impact he had experienced in his racing career.
The veteran driver said the force knocked the wind out of him and initially left him struggling to assess his condition.
At one point, he temporarily lost feeling in his left knee, causing concern immediately after the wreck.
Fortunately, sensation returned several minutes later, and medical personnel determined that the problem was likely caused by a severe impingement of a nerve rather than a serious injury.
Despite escaping major injuries, Alfredo admitted the crash left him sore from head to toe.

Drivers praised safety measures
The incident also served as another reminder of how far race safety has come.
A 25-car collision and several high-speed collisions could have had far more serious consequences in earlier eras.
Instead, the drivers largely walked away under their own power, despite the significant damage to their vehicles.
While frustrations were understandably high, many competitors recognized the effectiveness of modern safety equipment and track protocols.
Austin Hill Cap’s Emotional Day With Victory
Once the track was cleared and racing resumed, attention eventually shifted back to the competition.
Austin Hill won, delivering an emotional win for Richard Childress Racing.
The win took on added significance for the organization as it continues to navigate an emotional period following the loss of Kyle Busch last month.
Hill’s triumph provided a positive story on a day otherwise dominated by one of the biggest crashes of the season.
A repeat of the incident on lap 34 involving multiple cars.@sam_mayer_, @William Sawalichand @anthonyalfredo has been evaluated and released from the infield care center. pic.twitter.com/aCS75X41ba
— NASCAR O’Reilly Auto Parts (@NASCAROReillyAP) 21 June 2026
TMSPN Tag
Big crashes are an unfortunate part of racing, but this one was especially brutal. Seeing 25 cars pile up in a single incident is something no one wants to witness, especially when so many teams invest countless hours preparing for race day. The silver lining is that each driver walked away safely. In such a massive wreck, that’s ultimately the most important result.
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