The NASCAR Cup Series begins the inaugural 2025 NASCAR In-Season Challenge this Saturday at EchoPark Speedway (formerly Atlanta Motor Speedway), where 32 out of 40 drivers will compete bracket-style in the opening round (7 p.m. ET, TNT Sports/truTV, HBO Max, PRN Radio, SiriusXM NASCAR Radio).
ENTRY LISTS: Cup Series | Xfinity Series | Truck Series
Connor Zilisch, though not part of the challenge, is slated to compete in his third career Cup Series race this season, piloting the No. 87 Trackhouse Racing Chevrolet.
RELATED: 2025 In-Season Challenge hub | Fill out your In-Season Challenge bracket for chance at $1 million!
View the full entry list for this weekend’s event:
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