Triathlon · Competition Rules
Part 14: Indoor Triathlon
1 parts · 1 tests · 10 facts · updated 12 October 2026 · markdown
What an indoor triathlon is and how its swim, sponge-off period, cycling and run differ from racing outdoors.
14.141Indoor Triathlon
The indoor venue, pool lanes, the sponge-off period, lapped riders and drafting, and running shoes.
Test 1Racing indoorsTake a test
An indoor triathlon takes place in a closed space, such as a sports pavilion, with a pool, a cycling track and a running track.
Source: World Triathlon Competition Rules (January 2025), 14.1 a (Indoor Triathlon) · recall
Indoors, athletes can draft from others who are on a different lap.
Source: World Triathlon Competition Rules (January 2025), 14.3 Cycling b (Indoor Triathlon) · applied
The two swimmers in a lane keep to the side all the time.
Source: World Triathlon Competition Rules (January 2025), 14.2 a (Indoor Triathlon) · recall
Athletes sponge off excess water, because water on the track makes it slippery and dangerous.
Source: World Triathlon Competition Rules (January 2025), 14.3 b (Indoor Triathlon) · recall
Not complying with the compulsory neutralised period results in disqualification.
Source: World Triathlon Competition Rules (January 2025), 14.3 b (Indoor Triathlon) · applied
In indoor triathlon lapped athletes are not removed from the race.
Source: World Triathlon Competition Rules (January 2025), 14.3 Cycling a (Indoor Triathlon) · applied
Spike shoes are not allowed on the indoor run.
Source: World Triathlon Competition Rules (January 2025), 14.4 a (Indoor Triathlon) · recall
Swim, the neutral period to dry off where one is set, then the bike and the run on their indoor tracks.
Source: World Triathlon Competition Rules (January 2025), 14.1-14.4 (Indoor Triathlon) · recall
Being lapped indoors costs nothing but time, and the lapped rider may sit on the leaders' wheels.
Source: World Triathlon Competition Rules (January 2025), 14.3 Cycling a-b (Indoor Triathlon) · applied
The plan already says to keep to the side, which is how a pair can share one 2.5 m lane.
Source: World Triathlon Competition Rules (January 2025), 14.2 a (Indoor Triathlon) · applied
Sources
World Triathlon Competition Rules, January 2025, Part 14 (paraphrased in original wording; original questions authored from the rules, not reproduced)
- World Triathlon Competition Rules (January 2025), 14.2 a (Indoor Triathlon)2
- World Triathlon Competition Rules (January 2025), 14.3 b (Indoor Triathlon)2
- World Triathlon Competition Rules (January 2025), 14.1 a (Indoor Triathlon)1
- World Triathlon Competition Rules (January 2025), 14.3 Cycling b (Indoor Triathlon)1
- World Triathlon Competition Rules (January 2025), 14.3 Cycling a (Indoor Triathlon)1
- World Triathlon Competition Rules (January 2025), 14.4 a (Indoor Triathlon)1
- World Triathlon Competition Rules (January 2025), 14.1-14.4 (Indoor Triathlon)1
- World Triathlon Competition Rules (January 2025), 14.3 Cycling a-b (Indoor Triathlon)1