The 2026 DuraMAX Texas Grand Prix was a NASCAR Cup Series race held on March 1, 2026, at Circuit of the Americas in Austin, Texas. Contested over 95 laps on the road course, it was the third race of the 2026 NASCAR Cup Series season.
Tyler Reddick won the race. Shane van Gisbergen finished 2nd, and Christopher Bell finished 3rd. Ty Gibbs and Michael McDowell rounded out the top five, and Kyle Larson, Chase Elliott, Ryan Blaney, A. J. Allmendinger, and Denny Hamlin rounded out the top ten.
Circuit of the Americas (COTA) is a grade 1 FIA-specification motorsports facility located within the extraterritorial jurisdiction of Austin, Texas. It features a road racing circuit. The facility is home to the Formula One United States Grand Prix, and the Motorcycle Grand Prix of the Americas, a round of the FIM Road Racing World Championship. It previously hosted the Supercars Championship, the FIA World Endurance Championship, the IMSA SportsCar Championship, and IndyCar Series.
On November 20, 2024, it was announced that the race would move to the layout.
On January 8, 2026, DuraMAX was announced as the title sponsor, replacing EchoPark Automotive.
Michael McDowell was the fastest in the practice session with a time of 99.023 seconds and a speed of .
Tyler Reddick scored the pole for the race with a time of 1:37.760 and a speed of .
Stage One Laps: 20
Stage Two Laps: 25
Stage Three Laps: 50
Fox Sports covered the race on the television side. Mike Joy, Clint Bowyer, and Kevin Harvick called the race from the broadcast booth. Jamie Little, Regan Smith, and Josh Sims handled pit road for the television side, and Larry McReynolds provided insight on-site during the race.
PRN had the radio call for the race which was also simulcasted on Sirius XM NASCAR Radio.