Triathlon Specific
T1, T2, brick workouts, transition area, and multi-sport racing terms.
Terms in This Category
5 termsT1 (First Transition)
Swim-to-bike transition in a triathlon. Fast T1 times can gain you minutes over competitors.
T2 (Second Transition)
Bike-to-run transition in a triathlon. Often called the "fourth discipline" of multi-sport racing.
Brick Workout
Training two disciplines back-to-back (usually bike then run) to simulate race-day fatigue.
Transition Area
Designated zone where athletes switch between disciplines, with gear laid out at their assigned rack.
Swim-to-Bike Transition
The T1 transition where athletes exit the water, strip their wetsuit, and mount their bike — often the most chaotic few minutes of a triathlon.
Organize Triathlon Races?
List your races free and reach athletes looking for their next challenge.
List Races FreeLearn More
This category covers key terms, concepts, and techniques used in endurance sports. Browse the terms below to learn definitions, training applications, and how they relate to your racing goals.
Each term page links to upcoming races and events. You can also search for specific race types or browse our events page filtered by discipline and location.