NASCAR championship implications in the Cup and Xfinity series will be the dominant storyline Saturday at Martinsville Speedway with cars on track for about nine hours. The action will begin at 1 p.m.

William Byron's clutch performance Sunday at Martinsville Speedway ranks among his best Cup Series moments. A title shot comes next.

Half of the remaining field in the Cup Series playoffs is facing essentially a must-win situation at Martinsville Speedway, where NASCAR weathered a race manipulation scandal in last year’s third-roun

The Craftsman Truck Series will practice, qualify and race Friday at Martinsville Speedway, setting its Championship 4 field. Charlotte Motor Speedway Roval winner Corey Heim, who leads the series with 10 victories, is the only driver to have locked into racing for the title in the Oct. 31 season finale at Phoenix Raceway.

The Action Network provides you with three bets ahead of Sunday's Round of 8 finale at Martinsville Speedway (2 p.m. ET, NBC).

NASCAR’s return to Martinsville Speedway this weekend is expected to generate millions in economic impact for the region, with local businesses already seeing an uptick in customer traffic.

On elimination night in Martinsville for the Round of 8 that will set the Championship 4 next week at Phoenix Raceway, Layne Riggs, who is in an almost must win situation powered to the pole with a time of 19.