JuniorsJ6 Ages 8 and younger J5 Ages 9-10J4 Ages 11-12J3 Ages 13-14J2 Ages 15-16J1 Ages 17-19Adults or SeniorsSR Ages 20 or olderNote: Racers should check with their local program, or with their local office regarding details or exceptions that may apply. Some regions, divisions or states may recognize other age categories below the J5 class.