NASCAR practice speeds, lap averages and notes for the 2025 Xfinity 500 at Martinsville Speedway. Use the NASCAR stats and data to build DFS lineups on DraftKings. Chase Elliott was fastest.

The NASCAR Cup Series ran a single practice session at Martinsville Speedway on Saturday afternoon/evening in preparation for the upcoming Xfinity 500 on Sunday afternoon.

The 37-car field was split into two groups for practice, with each group getting 25 minutes on track.

Below you will find the two groups, key notes from the practice session, as well as the practice speeds for all drivers. Featured Promo: Get any DFS Premium Bundle for for 50% off using code SMASH! Win more with expert advice from proven winners and exclusive DFS tools. Get instant access to RotoBaller's Lineup Optimizers,

See Full Page