Running Pace Calculator
Pace, finish time and splits for any distance.
Enter your values
Enter the distance in miles.
Enter the time — hours you are working with.
Enter the minutes you are working with.
Enter the seconds you are working with.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Pace per mile
- 8:24
- Pace per km
- 5:13
- Speed
- 7.15 mph
- Finish time
- 1h 50m 0s
| Race | Projected time at this pace |
|---|---|
| 5K | 26:05 |
| 10K | 52:11 |
| Half marathon | 110:05 |
| Marathon | 220:10 |
Quick answer
Pace equals total time divided by distance; multiply pace by distance to project a finish time for any race.
Pace = time ÷ distance
At a glance
| What it does | Pace, finish time and splits for any distance. |
|---|---|
| Category | Health |
| Inputs needed | Distance, Time — hours, minutes, seconds |
| Main output | Pace per mile |
| Formula | Pace = time ÷ distance |
| Cost | Free — no sign-up, no download |
How to use the Running Pace Calculator
- 1Enter the distance you ran or plan to run.
- 2Enter the time in hours, minutes and seconds.
- 3Read pace and equivalent race times.
Inputs explained
- Distance(miles)
- Enter the distance in miles.
- Time — hours
- Enter the time — hours you are working with.
- minutes
- Enter the minutes you are working with.
- seconds
- Enter the seconds you are working with.
Worked example
Using the values the calculator loads with:
Inputs
- Distance13.1 miles
- Time — hours1
- minutes50
- seconds0
Results
- Pace per mile8:24
- Pace per km5:13
- Speed7.15 mph
- Finish time1h 50m 0s
Frequently asked questions
Are the projections realistic?
They assume equal effort across distances. In practice, marathon pace is typically 10–15 seconds per mile slower than a straight scale-up.
What is a good 5K time?
Around 30 minutes for a recreational beginner, 22–25 for a regular runner and under 20 for a competitive club runner.
What do I need to enter into the Running Pace Calculator?
Just 4 values: distance, time — hours, minutes, seconds. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Running Pace Calculator work out the answer?
Pace equals total time divided by distance; multiply pace by distance to project a finish time for any race. It applies the formula Pace = time ÷ distance and shows the working so you can check each step by hand.
Is the Running Pace Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.