The following riders won their respective championships on Dunlop tyres in the 2003 season:
- GP 125cc | Dani Pedrosa, Honda,
- GP 250cc | Manuel Poggiali, Aprilia
- Endurance | Suzuki GB -Phase 1, Suzuki
- Super Moto | Eddy Seel, Husqvarna
- Le Mans 24H (France) | Philippe Dobe/Brian Morrison/Vincent Philippe, Suzuki
- Spa 24 H (Belgium) | Olivier Four/Sebastian Gimbert/Nicolas Dussauge, Suzuki
- Bol d'Or (France) | J.M Bayle/Nicolas Dussauge/Sebastian Gimbert, Suzuki
