IMSA WeatherTech Sportscar Championship

IMSA’s flagship series competes at 12 of North America’s leading sports car venues, including Daytona, Sebring, Watkins Glen, Road Atlanta, Long Beach and Road America. Competition takes place in four different classes: Prototype, Prototype Challenge, GT Le Mans and GT Daytona, with action in each of the four groups typically going all the way to the checkered flag.

The Classes

Prototype
Prototype Challenge
GT Le Mans
GT Daytona

The Cars

Understanding the Sport

Technical Inspection
Flags
Race Starts & Qualifying Procedures
Pit Stops

How To Watch

Domestic Coverage
IMSA Radio
International Coverage

Event Experience

Tour The Paddock
Fan Walk
Open Access
The Tracks: 
Car Corrals: 

Partners