The 3rd round of the 2026 IMSA WeatherTech Sportscar Championship is taking the GTP and GTD classes over to the lovely, sunny California. It's time for the first sprint race of the season, 100 minutes of the Acura Grand Prix of Long Beach. (Image credit to IMSA.com ) Track  Throughout the years, the Long Beach Circuit has been through a few changes, with it being designed as a Formula 1 circuit. The track consists of 3.167 km of temporary road around the Long Beach Convention