Running Pace Calculator
Enter any two of pace, time and distance to get the third, along with your speed.
Answer
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Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Pace per kilometre —
Pace per mile —
Time —
Distance —
Speed —
The formula
pace = time ÷ distance time = pace × distance speed (km/h) = 3,600 ÷ seconds per km
Pace and speed are the same thing turned upside down: time per distance against distance per time.
What to watch out for
This is an average for the whole run, so hills, stops and a fast or slow start all sit inside it. GPS watches often read a little long or short, so a measured course or track gives the truest pace.
Frequently Asked Questions
What pace is a 25-minute 5K?
5:00 per km, or 8:03 per mile.
How do I convert pace to speed?
Divide 3,600 by your pace in seconds per km to get km/h. A pace of 5:00 per km is 300 seconds, which is 12.0 km/h.
How long does 10 km take at 6:00 per km?
1:00:00.