JL Performance Labs
Calculators

Free tool

Triathlon & IRONMAN
Time Calculator

Calculate your predicted finish time for IRONMAN, IRONMAN 70.3 and other triathlon distances. Enter your swim pace, bike speed, run pace and transition times to build your race-day target.

Distance

1900m swim · 90km bike · 21.1km run

Projected finish

5:39:03

Swim
0:38:00
Bike
3:00:00
Run
1:56:03
Transitions
0:05:00

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IRONMAN & Triathlon Finish Times

Use the calculator to estimate your triathlon finish time from your expected swim pace, bike speed, run pace and transitions. Compare race-day scenarios for Sprint, Olympic, IRONMAN 70.3 and full-distance IRONMAN events.

IRONMAN 70.3 / half Ironman: Enter your expected pace for the 1.9 km swim, 90 km bike and 21.1 km run, plus T1 and T2, to calculate your projected finish time.

Full-distance IRONMAN: Use the 3.8 km swim, 180 km bike and 42.2 km run to estimate your individual splits and overall race time.