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Running Pace Calculator
Solve for pace, time or distance for any run. Enter two of the three and get the third, with one-click presets for 5K, 10K, half-marathon and marathon in kilometers or miles.
Pace
5:00 / km
🔒 This tool runs entirely in your browser. Your data is never uploaded.
Frequently asked questions
What can it solve for?+
Pace, finish time or distance — provide any two and it calculates the third.
Does it have race presets?+
Yes — 5K, 10K, half-marathon and marathon presets make it quick to plan a target time.
Can it work in km and miles?+
Yes — it works with your chosen units so you can plan in whichever you train with.