2025 Xfinity 500 Betting Preview

NASCAR heads to Martinsville Speedway on Sunday for the Xfinity 500. Ryan Blaney returns to defend his title at the 500 laps / 263 miles that is the shortest track on the schedule and will determine which drivers will advance to the Championship 4 at Phoenix Raceway. 

XFINITY 500 RACE START TIME & RACE INFO

• Event: Xfinity 500
• Where: Martinsville Speedway, Martinsville, VA
• When: Sunday, October 26 at 2:00 PM ET
• TV: NBC

XFINITY 500 RACE FAVORITES

• William Byron (Odds to Win: +285)

• Chase Elliott (Odds to Win: +370)

• Ryan Blaney (Odds to Win: +500)

• Denny Hamlin (Odds to Win: +550)

• Kyle Larson (Odds to Win: +750)

DUNKEL INDEX TOP 10

Here are the Top 10 drivers for this event, according to the Dunkel Index:

WINNER: WILLIAM BYRON (+285)

The regular season champion has had a couple of tough breaks in the Round of 8 and needs a strong finish today. Byron is sitting in the pole position and has won twice in the last seven races here. Rated No. 1 in the Dunkel Index, Byron (+285) is our pick to take the checkered flag at Martinsville on Sunday.

BEST ODDS TOP 5 FINISH: KYLE LARSON (+100)

Rated No. 5 in the Dunkel Index

BEST ODDS TOP 10 FINISH: TY GIBBS (-120)

Rated No. 6 in the Dunkel Index