Calculate your pace, time or distance.
Give two values and the tool finds the third: pace per kilometre, finish time or distance covered. Plus your speed and your splits.
- Distance
- 10 km
- Time
- 50:00
- Pace
- 5:00 /km
- Speed
- 12 km/h
Splits
At an even pace.
| Distance | Time |
|---|---|
| 1 km | 5:00 |
| 2 km | 10:00 |
| 3 km | 15:00 |
| 4 km | 20:00 |
| 5 km | 25:00 |
| 6 km | 30:00 |
| 7 km | 35:00 |
| 8 km | 40:00 |
| 9 km | 45:00 |
| 10 km | 50:00 |
How it's calculated
Simple math, nothing fancy.
Pace is the time it takes you to run one kilometre: your time divided by your distance. 50 minutes for 10 km is 5:00 per kilometre, or 12 km/h.
Splits assume a perfectly even pace: every kilometre up to 10 km, then every 5 km. It's the reference to jot down before a race so you know, along the way, whether you're on track.
Out on the road, pace varies: a hill, the wind, an aid station, a start that's too fast. For a race, aim for a pace you can hold and keep something in reserve for the finish rather than setting off on your dream time.
Questions
What you ask us.
- How do you calculate your pace per kilometre?
- Divide your time by your distance in kilometres. 1h45 over a half marathon (21.1 km) gives roughly 4:59 per kilometre.
- What pace do I need to run a 4-hour marathon?
- 5:41 per kilometre on average. Pick "Time" or "Pace" in the calculator to see your splits every 5 km.
- How do you convert speed in km/h into pace?
- Divide 60 by your speed: 12 km/h gives 5 minutes per kilometre. The calculator shows both.
A pace is good. A plan is better.
Watch or not, all you need is a phone number.
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