The 2026 Cook Out 400 was a NASCAR Cup Series race held on March 29, 2026, at Martinsville Speedway in Ridgeway, Virginia. Contested over 400 laps on the paperclip-shaped oval, it was the seventh race of the 2026 NASCAR Cup Series season.
Chase Elliott won the race. Denny Hamlin finished 2nd, and Joey Logano finished 3rd. Ty Gibbs and William Byron rounded out the top five, and Ryan Blaney, Christopher Bell, Austin Cindric, Kyle Larson, and Josh Berry 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.
Alex Bowman, the original driver of the No. 48, was sidelined for the race due to vertigo sustained at Austin.
Bubba Wallace was the fastest in the practice session with a time of 19.685 seconds and a speed of .
Denny Hamlin scored the pole for the race with a time of 19.275 and a speed of .
Stage One Laps: 80
Stage Two Laps: 100
Stage Three Laps: 220
The race was carried by FS1 in the United States. Mike Joy, Clint Bowyer, and Kevin Harvick called the race from the broadcast booth. Jamie Little and Regan Smith handled the pit road for the television side. Larry McReynolds provided insight on-site during the race.
MRN was the radio call for the race, which was also simulcast on Sirius XM NASCAR Radio.