NASCAR in-season challenge tournament first round set for Sonoma on June 28
Yahoo Sports • 1 min read • Latest: Jun 27, 2026, 4:32 PM
Last updated Jun 27, 2026
The NASCAR in-season challenge tournament begins on June 28 at Sonoma Raceway during the Toyota/Save Mart 350. Sixteen head-to-head matchups will determine which drivers advance to the second round at Chicagoland Speedway next week. Denny Hamlin faces Ty Dillon in a rematch from the previous year's upset. Other notable matchups include Tyler Reddick against Alex Bowman, and Chase Elliott competing against Noah Gragson. Following the first round, the tournament progresses with additional rounds scheduled throughout July.
- •First round features 16 head-to-head matchups.
- •Tyler Reddick faces Alex Bowman as the top seed.
- •Denny Hamlin competes against defending champion Ty Dillon.
- •Next round scheduled at Chicagoland Speedway on July 5.
- •Tournament culminates with final at Indianapolis on July 26.
- 4:32 PMYahoo Sports — NASCAR in-season challenge tournament bracket, matchups for first round in Sonoma
"The NASCAR in-season challenge tournament begins on June 28 at Sonoma with the first round.
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