How Bodybuilding Competitions Are Judged: Prejudging, Poses, and Criteria Explained

Watching a bodybuilding competition for the first time, it's not always obvious what the judges are actually looking at as a lineup of athletes hits the same poses in sequence. Understanding how bodybuilding competitions are judged makes the sport far easier to follow, and the general structure — prejudging, mandatory poses, comparisons, and a defined set of criteria — is consistent across most federations, even though specific rules vary by organization and can change from year to year.

This is a general, structural overview of how judging typically works, not a breakdown of any single federation's current rulebook.

The short answer

• Judging happens in two main stages: a prejudging round (usually with the most weight on the final placing) and an evening show that's more presentation-focused.
• Athletes are judged in mandatory poses, standardized positions that let judges compare physiques directly against each other.
• Comparisons ("callouts") group athletes together on stage so judges can directly compare specific body parts or overall shape side by side.
• Core criteria typically include muscularity, symmetry, and conditioning (how lean and defined the muscle appears), along with overall stage presentation.
• Rules and exact categories vary by federation and change over time, so always check the specific organization's current rulebook for a competition you're entering or judging.

Prejudging vs. the evening show

Most bodybuilding shows are split into two sessions on the same day. Prejudging happens earlier, often with a smaller audience, and is where judges do the bulk of their careful, side-by-side comparison work — this is typically where placings are effectively decided. The evening show is more of a presentation for the audience: individual posing routines, awards, and a final confirmation of placings rather than a full re-judging.

This structure exists because careful comparison judging needs a controlled environment and time, while the evening show is built for entertainment and ceremony.

Mandatory poses

Every division has a set of mandatory poses — standardized positions like a front double biceps, side chest, or rear lat spread — that every competitor performs. The purpose of mandatory poses is to remove variability: if every athlete is judged in the exact same position, judges can compare specific muscle groups and overall shape apples-to-apples instead of comparing athletes who are each posing differently.

Comparisons and callouts

During prejudging, judges typically call groups of athletes to the center of the stage together, sometimes just two or three at a time, to directly compare them in a specific pose. This is often called a "callout" or "comparison." Judges may ask for a particular pose to check a specific detail — for example, comparing back width or leg conditioning between two closely matched competitors. These direct comparisons are a core part of how close placings get resolved.

What judges are evaluating

Criterion	What it generally means
Muscularity	Overall amount of muscle development across the body
Symmetry	Balance and proportion between muscle groups and between left and right sides
Conditioning	How lean and defined the muscle appears (low body fat, visible separation)
Presentation	Posing execution, stage presence, and confidence
Overall package	How well all of the above come together, rather than any single trait dominating

No single criterion decides the outcome on its own. A very muscular competitor with poor symmetry or conditioning will typically place behind a more balanced, better-conditioned physique with somewhat less raw muscle mass, because judges are weighing the whole package rather than any one trait in isolation.

How placings are determined

Judges independently score or rank competitors, and those individual judgments are combined (commonly through a placing system where each judge ranks athletes and the ranks are combined, sometimes with the highest and lowest scores excluded) to produce a final result. The exact scoring mechanics differ between federations, but the underlying goal is the same: reduce the influence of any single judge's opinion by aggregating multiple independent assessments.

Why the process feels subjective

Bodybuilding judging inevitably involves aesthetic judgment, which is part of why placings can be debated by fans and athletes alike. The mandatory poses, direct comparisons, and multi-judge scoring exist specifically to make that subjective evaluation as consistent and fair as possible, even though it can never be reduced to a purely objective measurement the way that, say, a powerlifting total can.

The bottom line

Bodybuilding judging follows a broadly consistent structure across federations — prejudging comparisons in mandatory poses, scored against criteria like muscularity, symmetry, and conditioning, with an evening show for presentation — even though exact rules vary and change over time. Getting to a stage-ready physique in the first place comes down to months of consistent, progressively harder training, and tracking that training in GymMonster — including hitting new personal records along the way — is what turns a training plan into the physique judges are eventually comparing.