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.

With a Championship 4 spot on the line, William Byron put the bumper to Ryan Blaney to win at Martinsville Speedway in the third-round finale of the NASCAR Cup Series playoffs.

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).

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

Here's everything you need to know about how to watch NASCAR's Cup Series Xfinity 500 this weekend and every other playoff race of the post-season.

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.