Calculate pace, finish time, or distance — and see your splits for common race distances.
Edit any field — the others update automatically.
| Distance | Time |
|---|
Runners think in pace (time per distance, e.g. 5:00 min/km) — easier to gauge effort. Cyclists and drivers think in speed (distance per time, e.g. 12 km/h). They're inverse: pace = 60 ÷ speed.
All calculations happen in your browser. No data is uploaded.