WatkinsGlen International 2015 Racekalender
| Datum | Raceserie | Ronde | Evenementnaam |
|---|---|---|---|
| 26 juni - 28 juni | LSTNA - Lamborghini Super Trofeo Noord-Amerika Afgerond | Round 2 | Sahlen's Six Hours of the Glen |
| 27 juni - 28 juni | IMSA SportsCar Championship Afgerond | Round 5 | Sahlen's Six Hours of the Glen |