IMSA SportsCar Championship 2026 3 2026-04-18 2026-04-18 https://r2.thesportsdb.com/images/media/event/thumb/xv747h1768341719.jpg https://r2.thesportsdb.com/images/media/event/poster/40idtn1768341707.jpg The Acura Grand Prix of Long Beach is a prestigious street circuit race that's a key event on the IMSA SportsCar Championship calendar (WeatherTech Championship), known for tight walls and crucial pit stop strategy in its shorter, sprint-style races, contrasting with longer endurance events like Daytona. In 2025, it served as Round 3, featuring both GTP and GTD classes, with teams like BMW and Acura competing on the challenging 1.968-mile, 11-turn temporary circuit, testing driver execution and team strategy for tire choice and track position 2415566