US-Racing Termine September 2018 - Motorsport-Kalender
September 2018
| 01.09. | IndyCarPortland |
| NASCARBojangles' Southern 500 | |
| 02.09. | IndyCarPortland - Rennen21:00 h |
| NASCARBojangles' Southern 500 - Rennen00:00 h | |
| 07.09. | IMSALaguna Seca |
| NASCARBig Machine Vodka 400 at the Brickyard | |
| 08.09. | NASCARBig Machine Vodka 400 at the Brickyard |
| 09.09. | IMSALaguna Seca |
| 10.09. | NASCARBig Machine Vodka 400 at the Brickyard - Rennen20:00 h |
| 14.09. | IndyCarSonoma |
| NASCARInaugural South Point 400 | |
| 15.09. | IndyCarSonoma |
| NASCARInaugural South Point 400 | |
| 16.09. | NASCARInaugural South Point 400 - Rennen21:00 h |
| IndyCarSonoma - Rennen00:30 h | |
| 21.09. | NASCARFederated Auto Parts 400 |
| 22.09. | NASCARFederated Auto Parts 400 - Rennen01:30 h |
| 28.09. | NASCARBank of America ROVAL 400 |
| 29.09. | NASCARBank of America ROVAL 400 |
| 30.09. | NASCARBank of America ROVAL 400 - Rennen20:00 h |