Bikini: Teen, Debut, Novice, Age 35+, Age 50+, Open Figure: Debut, Novice, Age 35+, Age 50+, Open Women's Physique: Debut, Novice, Age 35+, Age 50+, Open Women's Wellness: Debut, Novice, Age 35+, Age 50+, Open Women's Transformation Men’s Physique: Teen, Debut, Novice, Age 40+, Age 50+, Open Men’s Classic Physique: Teen, Debut, Novice, Age 40+, Age 50+, Open Men's Bodybuilding: Debut, Novice, Age 40+, Age 50+, Age 60+, Open Men's Transformation TEEN ELIGIBILITY: The required minimum age for participation in an OCB contest is 16. Proof of age must be provided at the time of contest check-in. A parent or legal guardian must accompany the minor to check-in and be present backstage. A signed waiver is required of all minors as well as their parent/guardian and will be presented during check-in. DEBUT ELIGIBILITY: First competition ever. Competitors that have never competed in any category with any organization. NOVICE ELIGIBILITY: Cannot have placed first in any class (besides Teen), within any division, within any category, with any organization (with the exception of cases where first place was won in a class that only had one competitor in it).