Circuit of the Americas 2015 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| September 17 - September 19 | Lamborghini Super Trofeo North America Finished | Round 4 | 6 Hours of Circuit of the Americas (Lone Star Le Mans) |
| September 17 - September 19 | WEC - FIA World Endurance Championship Finished | Round 5 | 6 Hours of Circuit of the Americas (Lone Star Le Mans) |
| September 18 - September 19 | IMSA SportsCar Championship Finished | Round 9 | Lone Star Le Mans |
| October 23 - October 25 | Porsche Supercup Finished | Round 8 | 2015 Formula 1 United States Grand Prix |