William Byron had one of his best races ever at Darlington. He led lap after lap, setting a new record no one saw coming. Fans thought the win was his—until the final moments brought a shocking twist. A late caution and wild overtime changed everything. What looked like a sure victory turned into a tough finish. Still, Byron stayed proud of his team’s effort. What happened in those final laps?
Key Highlights
- William Byron led 243 consecutive laps at Darlington, setting a new record.
- Despite dominating, Byron slipped to fourth place near the race’s conclusion.
- Denny Hamlin secured victory after a late-race caution and strategic pit stop.
- Byron finished as the runner-up, turning a promising day into disappointment.
- Byron remains optimistic, with his team leading the points standings by 49 points.
William Byron’s Record-Shattering Performance
Despite the eventual outcome, William Byron‘s performance at Darlington Raceway was nothing short of extraordinary, marking a historic day in NASCAR’s storied legacy.
From the moment the green flag waved, Byron displayed a masterclass in precision and control, skillfully navigating his No. 24 Hendrick Motorsports Chevrolet to dominate the competition.
In a remarkable display of endurance and tactics, Byron led the initial 243 laps consecutively, setting a new benchmark for dominance at the South Carolina track. This feat highlighted his individual skill and emphasized the exceptional teamwork and tactical intelligence of his pit crew.
However, the tides shifted dramatically with just 50 laps remaining, as a green-flag pit stop cycle allowed Denny Hamlin to seize the lead, altering the path of Byron’s remarkable race.

Race Conclusion and Overtime Finish
As the race at Darlington Raceway approached its climax, the atmosphere was charged with anticipation, setting the stage for a thrilling resolution.
William Byron, who had been a dominant force throughout the event, found himself slipping to fourth place. However, a late-race caution caused by his teammate Kyle Larson’s spin reignited hopes for Byron and his iconic No. 24 car to reclaim the lead.
In the ensuing chaos, Denny Hamlin seized the moment. Capitalizing on a tactical pit stop, Hamlin positioned his No. 11 Joe Gibbs Racing Toyota at the front for the overtime restart.
The tension on the track was palpable as the green flag waved, signaling the final showdown. Hamlin executed flawlessly, clinching his additional victory of the 2025 season, while Byron, despite his earlier skill, was left in the runner-up position.
Byron’s Reaction and Team’s Outlook
The race’s dramatic finish at Darlington left William Byron reflecting on a day that was both remarkable and bittersweet. Leading an impressive 243 laps, he shattered Bill Elliott’s longstanding record of 107 laps led from the start.
Despite this dominance, Byron and the No. 24 team were ultimately relegated to a runner-up finish. In a sport where victory is often determined by a matter of seconds, Byron’s initial reaction was one of disappointment.
Yet, the young driver, hailing from Charlotte, North Carolina, chose to highlight the positives. “It sucks,” Byron admitted. “It’ll sting to be this close, but at the same time, I’m really proud of that effort by our whole team.”
His words encapsulated a sense of resilience and optimism, hinting at the promising potential of future successes. The team stands galvanized, enthusiastic to build on this performance, confident in their capability to contend consistently.

Crew Chief Comments and Looking Ahead
Rudy Fugle, the crew chief for William Byron’s No. 24 car, offered a perspective that balanced frank acknowledgment of the team’s near-miss at Darlington with a forward-looking optimism.
Standing outside the No. 24 hauler, Fugle highlighted the strength of their vehicle, describing it as a top contender despite the disappointing result. “It stinks to not win,” Fugle admitted, but he stressed the positives, asserting that the team was taking all the right steps in preparation.
“We’re excited about coming here. You know, it’s good to showcase how good of a car it is, and it stinks to not win.” – Rudy Fugle
Looking ahead, Fugle recognized the challenges posed by the upcoming race at Bristol Motor Speedway, a track that has historically tested Byron and his team.
“I think we take it as a positive. It sucks we did not win, but a great car. We’re doing all the right things and preparations, right? Bristol has been tough for us. So, probably different goals to start with there. Got to be more in the ballpark with a better balance and see where we end up.” – Rudy Fugle
With previous finishes outside the top 15, Fugle identified their primary goal as achieving better balance. As they gear up for Bristol, Byron remains a formidable competitor, sitting atop the points standings with a 49-point lead over Denny Hamlin, fostering hope for future successes.

News in Brief: William Byron’s Record-Breaking Race
In a dramatic turn of events at Darlington, William Byron’s record-breaking performance was overshadowed by Denny Hamlin’s last-minute victory. Despite leading for most of the race, Byron’s dreams were dashed in a nail-biting overtime finish. Reflecting on the disappointment, Byron remained hopeful, acknowledging the unpredictable nature of racing. His crew chief emphasized the team’s resilience and resolve to learn from the setback. As they look ahead, Byron and his team are poised to channel this experience into future successes.
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