GP3 Termine 2015 - Motorsport-Kalender
Mai 2015
| 08.05. | GP3Barcelona |
| 09.05. | GP3Barcelona - Qualifying07:45 h |
| GP3Barcelona - Rennen 115:20 h | |
| 10.05. | GP3Barcelona - Rennen 207:25 h |
Juni 2015
| 19.06. | GP3Red-Bull-Ring |
| 20.06. | GP3Red-Bull-Ring - Qualifying09:45 h |
| GP3Red-Bull-Ring - Rennen 117:20 h | |
| 21.06. | GP3Red-Bull-Ring - Rennen 209:25 h |
Juli 2015
| 03.07. | GP3Silverstone |
| 04.07. | GP3Silverstone - Qualifying09:45 h |
| GP3Silverstone - Rennen 117:20 h | |
| 05.07. | GP3Silverstone - Rennen 209:25 h |
| 17.07. | GP3Hockenheim |
| 18.07. | GP3Hockenheim - Qualifying09:45 h |
| GP3Hockenheim - Rennen 117:20 h | |
| 19.07. | GP3Hockenheim - Rennen 209:25 h |
| 24.07. | GP3Hungaroring |
| 25.07. | GP3Hungaroring - Qualifying09:45 h |
| GP3Hungaroring - Rennen 117:20 h | |
| 26.07. | GP3Hungaroring - Rennen 209:25 h |
August 2015
| 21.08. | GP3Spa-Francorchamps |
| 22.08. | GP3Spa-Francorchamps - Qualifying09:45 h |
| GP3Spa-Francorchamps - Rennen 117:15 h | |
| 23.08. | GP3Spa-Francorchamps - Rennen 209:25 h |
September 2015
| 04.09. | GP3Monza |
| 05.09. | GP3Monza - Qualifying09:45 h |
| GP3Monza - Rennen 117:15 h | |
| 06.09. | GP3Monza - Rennen 209:25 h |
Oktober 2015
| 09.10. | GP3Sochi |
| 10.10. | GP3Sochi - Qualifying08:30 h |
| 11.10. | GP3Sochi - Rennen 108:00 h |
| GP3Sochi - Rennen 210:30 h |
November 2015
| 19.11. | GP3Bahrain - Qualifying10:40 h |
| 20.11. | GP3Bahrain - Rennen 111:25 h |
| 21.11. | GP3Bahrain - Rennen 207:05 h |
| 27.11. | GP3Abu Dhabi |
| GP3Abu Dhabi - Qualifying12:10 h | |
| 28.11. | GP3Abu Dhabi - Rennen 109:25 h |
| 29.11. | GP3Abu Dhabi - Rennen 210:00 h |