Check wetsuit legality and swim distance modifications for World Triathlon, T100, and IRONMAN races.
This calculator is for analysis and educational use only. It is not official and may not reflect event-specific sanctioning, local safety rules, or race-day measurements. Official wetsuit legality, swim distance decisions, water/air temperature readings, and race modifications are determined by the race organizer and officials on race day. For the most accurate and official guidance, consult the event's Athlete Guide and the organizer's rules page.
Uses World Triathlon 2026 rules including cold-air adjustment and hot/cold swim shorten/cancel table.
Not official. Always follow race-day official announcements.