Three sports. One finish time.
Type your swim pace, bike speed, run pace and transitions. Predict your total finish at sprint, olympic, 70.3 or full ironman distance.
Predicted Olympic finish: 2:48:30.
Total time = swim + T1 + bike + T2 + run. Each segment is a function of distance and pace/speed. The calculator uses the standard distances for each format (sprint, olympic, 70.3, ironman). Adjust the four pace inputs and the two transitions to model your race plan.
| Race distance | Swim | Bike | Run |
|---|---|---|---|
| Sprint | 750 m | 20 km | 5 km |
| Olympic | 1500 m | 40 km | 10 km |
| 70.3 (Half Ironman) | 1900 m | 90 km | 21.0975 km |
| Ironman | 3800 m | 180 km | 42.195 km |
The math assumes consistent pace across each segment. In practice, fatigue, hills, wind, swim drafting and aid-station stops add noise. Treat the prediction as a goal-setting baseline and refine it with race-day data.
この計算機とよく組み合わせて使うツール — 新しいタブで開いて計画を続けよう。
Convert pace, finish time and distance for any race from 5K to ultra. Includes split times and predicted race times.
Type a recent race result and we predict your finish time at every standard distance — 5K, 10K, half marathon, marathon and beyond.
Combine your 1km run pace with station times to predict your HYROX finish — Pro, Open, Men, Women.
Turn treadmill speed and incline into min/mile, min/km and outdoor-flat-equivalent pace.
Sprint: 750m swim / 20km bike / 5km run. Olympic: 1500m / 40km / 10km. 70.3 (half ironman): 1900m / 90km / 21.1km. Ironman: 3800m / 180km / 42.2km.
Amateur transitions average 2-4 minutes each. Pros are under a minute. Practice transitions in training — saving 60 seconds in T1 is free time.
90 minutes (or more) on the bike pre-fatigues your legs. Most age-group triathletes lose 15-30 sec/km versus a fresh open run, especially in 70.3 and ironman.
Not directly — it assumes one athlete, all four phases. For relays, calculate each leg separately and sum. For aquabike, set run pace to 0 (the calculator will treat it as no run leg).