The 2025 Cook Out 400 was a NASCAR Cup Series race held on March 30, 2025, at Martinsville Speedway in Ridgeway, Virginia. Contested over 400 laps on the 0.526 mile (0.847 km) paperclip-shaped short track, it was the 7th race of the 2025 NASCAR Cup Series season.
Denny Hamlin won the race. Christopher Bell finished 2nd, and Bubba Wallace finished 3rd. Chase Elliott and Kyle Larson rounded out the top five, and Ross Chastain, Ryan Preece, Joey Logano, Chase Briscoe, and Todd Gilliland rounded out the top ten.
Martinsville Speedway is a NASCAR-owned stock car racing track located in Henry County, in Ridgeway, Virginia, just to the south of Martinsville. At in length, it is the shortest track in the NASCAR Cup Series. The track was also one of the first paved oval tracks in NASCAR, being built in 1947 by H. Clay Earles. It is also the only remaining race track on the NASCAR circuit since its beginning in 1948.
Bubba Wallace was the fastest in the practice session with a time of 20.115 seconds and a speed of .
Christopher Bell scored the pole for the race with a time of 19.718 and a speed of .
Stage One Laps: 80
Stage Two Laps: 100
Stage Three Laps: 220
Fox Sports covered their 25th race at the Martinsville Speedway. Mike Joy, 2018 Spring Martinsville winner Clint Bowyer, and 2011 Spring Martinsville winner Kevin Harvick called the race from the broadcast booth. Jamie Little and Regan Smith handled pit road for the television side, and Larry McReynolds provided insight on-site during the race.
MRN had the radio call for the race which was also simulcasted on Sirius XM NASCAR Radio. Alex Hayden, Mike Bagley, and former championship winning crew chief Todd Gordon called the race in the booth when the field raced down the frontstretch. Dave Moody called the race from a platform inside the backstretch when the field raced down the backstretch. Lead MRN Pit reporter Steve Post, Chris Wilner, and Glenn Jarrett worked the pit road for the radio side.