NASCAR’s new In-Season Challenge needed one thing to prove it could work.
It got it in the very first race.
Sunday’s trip to Sonoma Raceway wasn’t just another stop on the Cup Series schedule. It marked the opening round of NASCAR’s $1 million head-to-head tournament, and before the afternoon was over, the bracket had already been blown apart.
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Tyler Reddick entered Sonoma as the No. 1 seed after leading the regular-season standings, making him the favorite to survive the opening round. Instead, a power steering failure left the 23XI Racing driver stranded multiple laps behind the field before he limped home in 36th place. By the time the checkered flag flew, the tournament’s top seed had been eliminated.
Just one week after sitting atop the standings, Reddick’s championship-caliber season suddenly took an unexpected detour.
Sonoma delivers the kind of drama NASCAR envisioned
While Shane van Gisbergen dominated the race itself, the In-Season Challenge quietly produced one of the day’s biggest storylines.
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Alex Bowman entered Sonoma as the tournament’s No. 32 seed with little outside expectation of advancing. But because the Challenge is decided strictly by head-to-head finishing position, Bowman’s 10th-place finish was more than enough to knock out Reddick after the points leader’s mechanical issues.
It immediately transformed the bracket.
Instead of watching the favorites steadily advance, NASCAR’s brand-new tournament already has its Cinderella story.
The remaining 16 drivers are:
(2) Denny Hamlin
(3) Ryan Blaney
(4) Chase Elliott
(5) Ty Gibbs
(6) Kyle Larson
(7) Chris Buescher
(9) Carson Hocevar
(10) Christopher Bell
(11) William Byron
(12) Chase Briscoe
(14) Shane van Gisbergen
(15) Erik Jones
(16) Austin Cindric
(20) Michael McDowell
(25) Todd Gilliland
(32) Alex Bowman
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The pressure now shifts to the favorites
With Reddick out, the path to the $1 million prize suddenly looks very different.
Denny Hamlin advanced and also reclaimed the Cup Series points lead after Sonoma, giving him momentum entering Chicagoland. Kyle Larson, Ryan Blaney, Chase Elliott and Christopher Bell also survived the opening round, ensuring several of NASCAR’s biggest names remain alive.
Ty Gibbs may have had one of the strongest days of anyone in the tournament despite not winning the race. The Joe Gibbs Racing driver won both stages, led 31 laps and finished third, comfortably advancing to Round 2 while continuing one of the most consistent stretches of his Cup career.
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Then there’s van Gisbergen.
His Sonoma victory locked him into the next round while reinforcing why every remaining driver should view him as one of the tournament favorites whenever the schedule turns left and right. The Trackhouse Racing driver has now won twice this season and sits just one road-course victory shy of tying Jeff Gordon’s all-time NASCAR Cup Series record.
Chicagoland suddenly carries much bigger stakes
Round 2 now heads to Chicagoland Speedway with the field cut from 32 drivers to 16.
Among the marquee matchups is an all-Hendrick Motorsports showdown between Kyle Larson and William Byron, while Ty Gibbs and Chase Briscoe will square off after both delivered standout performances at Sonoma.
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But the biggest takeaway from Round 1 is simple.
NASCAR wanted the In-Season Challenge to create meaningful storylines beyond the race itself. One weekend into the experiment, the No. 1 seed is already gone, the bracket has been thrown into chaos, and the battle for the $1 million prize suddenly feels far less predictable than it did just 24 hours ago.
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