Pace Calculator
Calculate your running pace and speed.
Free · No sign-up · Works in your browser
About the Pace Calculator
Calculate your running pace free — enter the distance you ran and your time, and get your pace per kilometer and per mile, plus your speed in km/h and mph. Perfect for planning race splits, checking training runs, and figuring out the pace you need to hit a 5K, 10K, half, or marathon goal. Works for running, walking, cycling, and swimming — any distance and time.
How to use the Pace Calculator
- 1Enter the distance and choose kilometers or miles.
- 2Enter your time in hours, minutes, and seconds.
- 3Read your pace per km and per mile, plus speed.
Frequently asked questions
What is running pace?
Pace is how long it takes to cover one unit of distance — usually minutes per kilometer or per mile. A 5:00/km pace means five minutes for each kilometer.
What pace do I need for a sub-4-hour marathon?
About 5:41 per km (9:09 per mile). Enter 42.195 km and 4:00:00 to see it — or adjust to plan any goal.
Does it work for walking or cycling?
Yes — it works for any distance and time, so you can use it for walking, cycling, and swimming pace too.