Entry List : Martinsville Speedway
Xfinity 500
Martinsville Speedway , Ridgeway, VA
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- Martinsville Speedway
- Xfinity 500
- Busch Pole Award Pole Winner: William Byron
- Age: 27
- Team : No 24 - Cincinnati Chevrolet
- Owner: Rick Hendrick
- Crew Chief: Rudy Fugle
- William Byron won the Pole Award for the Xfinity 500 with a lap of 19286 seconds, 98185 mph
- This is his 16th pole in 287 NASCAR Cup Series races
- This is his third pole and 22nd top-10 start in 2025
- This is his first pole in 16 races at Martinsville Speedway
- Ty Gibbs (second) posted his 17th top-10 start of 2025 and his third in seven races at Martinsville Speedway
- Kyle Larson (third) posted his 14th top-10 start at Martinsville Speedway It is his 18th in 35 races this season
- Shane Van Gisbergen (22nd) was the fastest qualifying rookie
- Drivers Entered: 37
- Laps Scheduled: 500
- Margin of Victory: 0.717 Seconds
- Time of Race: 3 Hours 33 Minutes 59 Seconds
- Average Speed: 73.744
- Cautions: 10 for 78 laps
- Lead Changes: 7
- Green Flag Passes: 1,950 (4.6 passes per green flag lap)
- Martinsville Speedway
- Xfinity 500
- Race Winner: William Byron
- Age: 27
- Team : No 24 - Cincinnati Chevrolet
- Owner: Rick Hendrick
- Crew Chief: Rudy Fugle
- William Byron won the Xfinity 500, his 16th victory in 287 Cup Series races
- This is his third victory and 16th top-10 finish in 2025
- This is his third victory and ninth top-10 finish in 16 races at Martinsville Speedway
- Ryan Blaney (second) posted his 13th top-10 finish in 20 races at Martinsville Speedway It is his 18th top-10 finish in 2025
- Chase Elliott (third) posted his 14th top-10 finish in 21 races at Martinsville Speedway
- Shane Van Gisbergen (14th) was the highest finishing rookie
- Kyle Larson leads the point standings by 7 points over Christopher Bell
