Select Class: -- select -- Official: 10 & Under - 60cm - Power and Speed - Official: 10 & Under - 60cm - AM5 - Official: 10 & Under - 60cm - Grand Prix Official: 12 & Under - 70cm - Power and Speed - Official: 12 & Under - 70cm - AM5 - Official: 12 & Under - 70cm - Grand Prix 13 & Over - 70cm - Power and Speed - 13 & Over - 70cm - AM5 - 13 & Over - 70cm - Grand Prix 13 & Over - 80CM - Power and Speed - 13 & Over - 80CM - AM5 - 13 & Over - 80CM - Grand Prix 13 & Over - 90CM - Power and Speed - 13 & Over - 90CM - AM5 - 13 & Over - 90CM - Grand Prix Official: 13 & Over - 100CM - Power and Speed - Official: 13 & Over - 100CM - AM5 - Official: 13 & Over - 100CM - Grand Prix Unofficial: Seniors (may choose own height ,if none chosen - 80cm) - Power and Speed - Unofficial: Seniors (may choose own height ,if none chosen - 80cm) - AM5 - Unofficial: Seniors (may choose own height ,if none chosen - 80cm) - Grand Prix Unofficial: 10 & Under - 30cm - Power and Speed - Unofficial: 10 & Under - 30cm - AM5 - Unofficial: 10 & Under - 30cm - Grand Prix Unofficial: Beginners - 12 & Under - 40cm - Power and Speed - Unofficial: Beginners - 12 & Under - 40cm - AM5 - Unofficial: Beginners - 12 & Under - 40cm - Grand Prix Unofficial: Open - Starting 60cm - Power and Speed - Unofficial: Open - Starting 60cm - AM5 - Unofficial: Open - Starting 60cm - Grand Prix