| GT Pro Championship - European GT1 Class | Leading driver: Ross Hawkey | Leading team: Chequered Flag Motorsport |
| GT Pro Championship - European GT2 Class | Leading driver: Alexandre Dussel | Leading team: GTT 64 Motorsport |
| GSC V8 Championship | Leading driver: Andi Goodwin | Leading team: P & B Racing |
| rFactor2 Corvette Cup | Leading driver: Marco Baffa | Leading team: Lemtech Racing |
| Grand Prix Masters 1975 (May-Aug) | Leading driver: Ross Hawkey | Leading team: Chequered Flag Motorsport |
| rFactor 2 Historic F3 Chamionship | Leading driver: Jonathan Hallas | Leading team: Lemtech Racing |
| rFactor2 Clio Cup | Leading driver: Rob Lawrie | Leading team: Lemtech Racing |
| Formula Truck Championship | Leading driver: Rob Lawrie | Leading team: Lemtech Racing |
| Aussie V8 Championship 2013 | Leading driver: Eck Simpson | Leading team: Lemtech Racing |
| 2013 Capri Cup | Leading driver: Steve Molony | Leading team: Lemtech Racing |
| Carrera Sprint Cup GB | Leading driver: Steve Molony | Leading team: Chequered Flag Motorsport |
| 2013 GT3 Championship | Leading driver: Andy Miller | Leading team: WRRacing |
| 2013 Blancpain Endurance Series | Leading driver: Marco Felix | Leading team: Opium Racing Motorsports |
| ALMS Endurance Championship - P1 | Leading driver: Adam Jamka | Leading team: Fenix Motorsport |
| ALMS Endurance Championship - P2 | Leading driver: Ross Hawkey | Leading team: WRRacing |
| ALMS Endurance Championship - GT2 | Leading driver: Alexandre Dussel | Leading team: GTT 64 Motorsport |
| 2013 Grand Prix Masters | Leading driver: Ross Hawkey | Leading team: Chequered Flag Motorsport |
| 2013 GT Pro Championship - GT1 | Leading driver: Steve Molony | Leading team: Chequered Flag Motorsport |
| 2013 GT Pro Championship - GT2 | Leading driver: Alexandre Dussel | Leading team: GTT 64 Motorsport |
| 2013 F1 Championship | Leading driver: Andreas Nilsson | Leading team: MTK Racing |
| WEC Endurance Championship - P1 | Leading driver: Roberto de Filippis | Leading team: Sikania Endurance Motorsport |
| WEC Endurance Championship - P2 | Leading driver: Ross Hawkey | Leading team: WRRacing |
| WEC Endurance Championship - GT2 | Leading driver: Alexandre Dussel | Leading team: Lemtech Racing |
| 2013 DRM Championship | Leading driver: Ross Hawkey | Leading team: Chequered Flag Motorsport |
| 2013 Endurance Championship - P1 | Leading driver: Adam Jamka | Leading team: Fenix Motorsport |
| 2013 Endurance Championship - P2 | Leading driver: Ross Hawkey | Leading team: WRRacing |
| 2013 Endurance Championship - GT2 | Leading driver: Alexandre Dussel | Leading team: GTT 64 Motorsport |
| 2013 Nordschleife VLN Championship | Leading driver: Alexandre Dussel | Leading team: GTT 64 Motorsport |