Running Pace Calculator
Enter any two of pace, time and distance and get the third. Perfect for planning a 5K, 10K, half or marathon — with pace shown per kilometer and per mile.
How to use
Choose what to find (pace, time or distance), then fill the other two. Enter time as h:mm:ss or mm:ss and pace as mm:ss.
When you calculate pace, you also get the equivalent per-mile pace. Use it to set a target and check your splits.
FAQ
How is running pace calculated?
Pace is time divided by distance. For 10 km in 50:00, that's 5:00 per km. The tool also converts it to per mile.
Can I find my finish time?
Yes — choose 'time', enter your distance and target pace, and it gives your projected finish time.
What pace is a sub-4-hour marathon?
About 5:41 per km (9:09 per mile). Set 'find pace' with 42.195 km and 4:00:00 to check any goal time.
Does it show per-mile pace?
Yes — when calculating pace it shows both per km and per mile.