The NASCAR Cup Series will return to New Hampshire Motor Speedway on Sunday, Sept. 21, 2025 to kick off the Round of 12 in the NASCAR Playoffs! New England's only NASCAR Cup Series weekend, Sept. 19-21, 2025, will also feature the NASCAR CRAFTSMAN Truck Series & Whelen Modified Tour on Doubleheader Saturday plus SIG SAUER Academy Dirt Duels at The Flat Track on Friday!