Kalendaryo ng Karera Circuit ng Americas 2015
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 17 September - 19 September | Lamborghini Super Trofeo North America Natapos | Round 4 | 6 Hours of Circuit of the Americas (Lone Star Le Mans) |
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 17 September - 19 September | Lamborghini Super Trofeo North America Natapos | Round 4 | 6 Hours of Circuit of the Americas (Lone Star Le Mans) |