Running Pace Calculator
Convert finish time and distance to pace and speed
Use this when you need a fast, accurate result — no sign-up, works entirely in your browser.
How to Use
- Enter your details into the fields above.
- Click the calculate button to get your result instantly.
- Use the clear button to start a new calculation.
Example
- 10 km in 50:00 → Pace 5:00 / km; speed 12.00 km/h
- 10 km finished in 45:00 → Pace 4:30 /km (13.3 km/h)
Formula
Pace per km = total seconds / distance. Speed (km/h) = distance / (total seconds / 3600). Adjust for terrain — trails and hills typically add 10–30 seconds per km.
About Running Pace Calculator
Convert finish time and distance to pace and speed. This free online tool gives you fast, accurate results without registration or downloads.
Everything runs locally in your browser, so your data is never uploaded or stored — privacy first.