Running Pace Calculator
Pace, time, or distance — you choose. Splits table included.
km
—Pace (/km)
How the Running Pace Calculator Works
Choose what you want to calculate: Pace (given distance and finish time), Time (given distance and pace), or Distance (given time and pace). Use the preset pills for common race distances (5K, 10K, half marathon, marathon) or enter any custom value.
A splits table is generated automatically showing pace per km (or per mile) and cumulative time at each split point. Switch between km and miles at any time.
Frequently Asked Questions
What is running pace?
Running pace is the time it takes to cover one unit of distance (usually one kilometre or one mile). It is expressed as minutes:seconds per km or per mile. A pace of 5:30/km means you run each kilometre in 5 minutes and 30 seconds.
What pace do I need for a sub-4 hour marathon?
To run a marathon (42.2 km) in under 4 hours, you need to maintain a pace of approximately 5:41/km or 9:09/mi. Use the Time mode with 42.2 km and a target time of 3:59:59 to verify your target pace.
How do I enter pace?
Enter pace in mm:ss format. For example, 5 minutes 30 seconds per km would be entered as 5:30. You can also enter just seconds (e.g., 330 for 5:30).
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