This article is from the Triathlon FAQ, by with numerous contributions by James Goddard others.
Triathlon rules vary by race and governing bodies. For individual
triathlons, check the race packet for rules for the race.
For ITU races, the rules can be found at
For USAT races, the rules can be found at
Even if your race is an ITU or USAT event, you should still check the
race packets for changes/exceptions to the rules.