NASCAR sets bracket matchups for In-Season Challenge in 2026

NASCAR's second annual In-Season Challenge will begin at Sonoma Raceway in two weeks. The NASCAR Cup Series point standings after the race at Pocono Raceway determined the seedings. This is different than 2025, which used the average finish across three races.The 32-driver bracket is whittled down each race over the course of five weekends, with the best finish in the matchup advancing to the next round. The winner of the In-Season Challenge will earn $1 million, which is equivalent to the prize