NASCAR is launching its inaugural In-Season Challenge with TNT Sports during the Quaker State 400 at EchoPark Speedway in Hampton, Georgia on Saturday, June 28.

New for2025, the five-race, bracket-style showdown will have 32 drivers compete head-to-head, with the winner earning a $1 million cash prize.

All five In-Season Challenge races will air on TNT and Max.  

• Challenge Round 1 – EchoPark Speedway – June 28
• Challenge Round 2 – Chicago Street Race – July 6
• Challenge Round 3 – Sonoma Raceway – July 13
• Challenge Round 4 – Dover Motor Speedway – July 20
• Champions Round – Indianapolis Motor Speedway – July 27

The seeds and matchups for all 32 drivers are finalized. The highest finishing driver in each matchup advances to the next round until there is only one driver left standing.

After the round of 32 drivers at EchoPark Speedway, the field will be narrowed before each round from 16 to eight to four, and ultimately the final two. The final two contenders will compete for the $1 million prize during the Champions Round at Indianapolis Motor Speedway.

For more information, visit nascar.com.

Image courtesy of NASCAR