What is a wetsuit thickness limit under World Triathlon rules?

5 mm.

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  1. 2 mm
  2. 5 mm ✔
  3. 10 mm

Why: Under World Triathlon rules, no wetsuit may be thicker than 5 mm.

Huh, didn't know that: Under World Triathlon rules, no wetsuit may be thicker than 5 mm.

The dad joke
Five millimeters is the limit, so do not go overboard.
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References

Answer: 5 mm. Under World Triathlon rules, no wetsuit may be thicker than 5 mm.

  1. Triathlon en.wikipedia.org/wiki/Triathlon
    no wetsuit may have a thickness of more than 5 mm (0.20 in)
    Checked 2026-11-07.

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