247SportTools
Triathlon · Reference

Triathlon Distances Calculator

Compare triathlon formats — Sprint, Olympic, 70.3 and Ironman — and find your target finish time.

Distance comparison

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Frequently asked questions

Which triathlon should I do first?

Start with a Sprint — the distances are manageable for anyone who can swim 750m, cycle 20km and run 5km. It gives you the full experience (swim-bike-run, transitions, race atmosphere) without months of preparation.

Do I need a triathlon-specific bike?

Not to start — a road bike or even a hybrid works for a Sprint or Olympic. A triathlon (TT) bike with aero bars is faster but expensive and unnecessary until you're racing seriously.