The Sahlen’s Six Hours of The Glen marks the halfway point of the 2018 IMSA WeatherTech SportsCar Championship season and teams are ready to make history in the classic endurance race at Watkins Glen International. Being the third of four rounds of the Tequila Patron North American Endurance Cup, fans can watch all six hours of racing on FS1 this Sunday, July 1 beginning at 9:30 a.m. ET.