IMSA Six-Hour Race Coming to Michelin Raceway Road Atlanta in September Michelin Raceway Road Atlanta and the International Motor Sports Association (IMSA) announced today that through a realignment of event dates, Michelin Raceway now will host a six-hour IMSA event over Labor Day weekend, Sept. 4-6. This additional IMSA endurance event on the Michelin Raceway calendar was originally scheduled as the Sahlen’s Six Hours of The Glen at Watkins Glen International. It was set for the same weekend at the upstate New York facility. 

Michelin Raceway Road Atlanta announced today that the newly named Michelin Endurance Challenge Weekend at Michelin Raceway Road Atlanta, set for Sept. 4-6, will showcase Michelin’s retail partner, TireRack.com, as the entitlement sponsor of the featured IMSA WeatherTech SportsCar Championship six-hour race.