Road America 2015 Rennkalender
| Datum | Rennserie | Runde | Veranstaltungsname |
|---|---|---|---|
| 14. Mai - 17. Mai | Porsche GT3 Cup Trophy USA Beendet | Round 5 | Spring Vintage Festival |
| 8. August - 9. August | IMSA SportsCar Championship Beendet | Round 7 | Continental Tire Road Race Showcase |
| 22. Oktober - 24. Oktober | Porsche GT3 Cup Trophy USA Beendet | Round 8 | Savannah Speed Classic |