Athletes cannot simply sign up; they must earn their spot through the Olympia Qualifying Season .
: The "main" event where there are no weight limits. Judges prioritize extreme muscle mass combined with "grainy" conditioning and symmetry. Mr. Olympia
: For athletes weighing up to 212 lbs (96 kg). This allows shorter, highly muscular athletes to compete without being dwarfed by Open division giants. Athletes cannot simply sign up; they must earn
The event is divided into several divisions, each with distinct judging criteria and physical standards. Athletes cannot simply sign up