North America's premier sports car racing series. Multi-class endurance racing, legendary events, and some of the world's best drivers — all explained so you can watch like you've been a fan for years.
The quick version — everything you need before diving in.
How the series works, the points system, driver ratings, and what makes endurance racing special.
GTP, LMP2, GTD Pro, GTD — four classes race simultaneously. Here's what separates them.
The world's oldest active sports car race. Full team and driver breakdown for the 2026 event.
All four classes run on track simultaneously — faster classes lap slower ones, making every moment of the race multi-layered.
The world's oldest active sports car race — 74 years of history, 55 cars, one brutal Florida airfield circuit.
Since 1950, Sebring International Raceway — a former World War II airfield in central Florida — has hosted what is now the world's oldest continuously running sports car race. It's the second round of the IMSA season and counts as part of the prestigious Michelin Endurance Cup.
The bumpy concrete surface chews up tires and cars alike. Pit strategy, driver changes, mechanical reliability, and pure pace all have to be perfect. That's what makes it great.