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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

  1. 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

  2. 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

  3. 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

  4. 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

  5. Not complying with the compulsory neutralised period results in disqualification.

    Source: World Triathlon Competition Rules (January 2025), 14.3 b (Indoor Triathlon) · applied

  6. 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

  7. Spike shoes are not allowed on the indoor run.

    Source: World Triathlon Competition Rules (January 2025), 14.4 a (Indoor Triathlon) · recall

  8. 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

  9. 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

  10. 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