Calculate race time prediction.
Pace per Km Calculator (Sports)
Quick answer
If distance is 5 km and time is 30 min, the pace is 6 min/km.
Enter your values
Pace
6min/km
Time taken per unit of distance — the inverse of speed, often easier to read for running and cycling.
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See how the result changes
Each table re-runs this calculator with one value changed and everything else left as it is.
Pace by distance
If distance goes from 5 km to 7.5 km, pace changes from 6 min/km to 4 min/km (−33%).
| Distance | Pace |
|---|---|
| 2.5 km | 12 min/km |
| 3.75 km | 8 min/km |
| 5 kmstart | 6 min/km |
| 7.5 km | 4 min/km |
| 10 km | 3 min/km |
Pace by time
If time goes from 30 min to 45 min, pace changes from 6 min/km to 9 min/km (+50%).
| Time | Pace |
|---|---|
| 15 min | 3 min/km |
| 22.5 min | 4.5 min/km |
| 30 minstart | 6 min/km |
| 45 min | 9 min/km |
| 60 min | 12 min/km |
A quick guide to Running Pace
Use it to get an accurate pace in seconds — free, with no sign-up.
Instant results
See your pace the moment you enter your numbers.
Free, no sign-up
Every calculator here is free to use, with no account required.
Accurate & transparent
The same standard formula runs on our server for every calculation.
How to Use the Running Pace Calculator
Enter Distance
Provide your distance, in km.
Enter Time
Provide your time, in min.
View Your Results
Get your pace instantly, calculated on our server.
What is Running Pace?
This sports tool works out your pace instantly, so you don't have to do the math by hand.
“One quick calculation, so you always know your pace before you decide.”
What Affects Your Pace
Your pace depends on the values below.
Distance
Changing your distance changes your pace.
Time
Changing your time changes your pace.
Example Result
Here's what you can expect from a running pace calculation:
- Distance
- 5 km
- Time
- 30 min
- Pace
- 6 min/km
Frequently Asked Questions
- How does distance affect pace?
- If distance goes from 5 km to 7.5 km, pace changes from 6 min/km to 4 min/km (−33%).
- How does time affect pace?
- If time goes from 30 min to 45 min, pace changes from 6 min/km to 9 min/km (+50%).
- How to calculate running pace?
- Fill in distance and time in the Pace per Km Calculator (Sports) above and your pace is calculated instantly. Change any value to see how the result responds.
- What does an example running pace calculation look like?
- If distance is 5 km and time is 30 min, the pace is 6 min/km.
- Is this calculator free to use?
- Yes — every calculator on this site is completely free, with no sign-up or account required.
- How accurate is this calculator?
- It uses the standard formula and calculates on our server for every request, so results are precise for the values you enter.
- Is my data saved anywhere?
- No. Nothing you enter is stored or sent anywhere unless you choose to share a link with your values included.
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