Standing on the competition floor at a Games requires more than a credential. It requires a numbered bib issued for that session, and the number of bibs is fixed in advance.
Credentials open zones, bibs open the floor
A credential defines which zones of a venue a person may enter. The field of play is treated as a separate space with its own, much tighter, control.
Bibs are physical, countable objects handed out at a desk and returned afterward. That makes the population on the floor auditable in a way that a plastic card never could be.
American event operators use the same logic on sidelines, where photographer vests are counted rather than assumed. The medium is low-tech precisely because it has to be reliable.
The count is set by the sport, not the venue
Each international federation specifies how many photographers, officials and broadcast personnel may occupy the floor during competition. The venue cannot raise the number to satisfy demand.
Those limits come from safety and sightline analysis rather than from custom. A thrown implement, a sprinting athlete or a swerving cyclist needs a predictable clear zone.
Because the ceiling is fixed and demand always exceeds it, rationing is inevitable. The bib system simply makes the rationing explicit rather than leaving it to whoever pushes hardest.
Positions are assigned, not chosen
Photographers are drawn to positions rather than allowed to pick. Some positions are far better than others, and rotation across sessions is how the allocation stays defensible.
Movement between positions is usually restricted to breaks in competition. A photographer who wants to change ends waits for the same pause the athletes wait for.
Marshals on the floor enforce this without discussion. Their instructions come from the technical delegate, and arguing with them during competition is a fast route to losing a bib.
Broadcast holds a permanent share
A portion of floor access is committed to the host broadcaster before anyone else is considered. Camera positions, cable runs and handheld operators are part of the venue design itself.
This is why broadcast positions rarely move even when they obstruct a ticketed sightline. The camera plan predates the seating plan in the venue's construction sequence.
Everyone else divides what remains. Agencies, national photographers and federation staff compete for a pool that is smaller than most first-time attendees expect.
Why the discipline holds
The system works because the penalty is immediate and visible. A bib withdrawn during a session cannot be replaced, and the loss falls on the individual rather than an institution.
It also works because the floor is small and everyone on it can see everyone else. Informal enforcement by peers does much of the work formal enforcement would otherwise need.
The result is a competition floor that looks calm on camera. That calm is manufactured, and the manufacturing happens at a desk hours before anyone competes.

