NASCAR Cup Series at Circuit of the Americas

DuraMAX Texas Grand Prix Powered by RelaDyne
NASCAR Cup Series
VenueCircuit of the Americas
LocationAustin, Texas
Corporate sponsorDuraMAX
First race2021
Laps95
Stage 1: 20
Stage 2: 45
Final Stage: 30
Previous namesEchoPark Texas Grand Prix (2021–2022)
EchoPark Automotive Grand Prix (2023–2025)
Most wins (driver)Tyler Reddick
Most wins (team)Hendrick Motorsports
23XI Racing (2)
Most wins (manufacturer)Chevrolet, Toyota (3)
Circuit information
SurfaceAsphalt
Length2.400 mi (3.862 km)
Turns18

The DuraMAX Texas Grand Prix is a NASCAR Cup Series stock car race at Circuit of the Americas in Austin, Texas. Introduced in 2021, the race was one of seven road course dates on the Cup Series schedule that year. Tyler Reddick is the defending winner.

There is also a NASCAR O'Reilly Auto Parts Series race, the Focused Health 250, that is held on the same weekend as the Cup Series.