Marathon Pace Calculator
The pace per kilometre and per mile for any marathon target — for example 5:41/km (9:09/mile) for a 4-hour marathon. An exact pace calculation; the second half is where marathon pace is truly tested.
Target time for a marathon (42.2 km / 26.22 miles).
Your target time
::
Required pace
5:41 /km · 9:09 /mile
That is 10.55 km/h (6.55 mph). Hold this pace evenly — even pacing is the fastest way to hit a target time.
Split times (even pace)
| Distance | Time |
|---|---|
| 5 km | 28:26 |
| 10 km | 56:53 |
| 15 km | 1:25:19 |
| 20 km | 1:53:45 |
| 25 km | 2:22:12 |
| 30 km | 2:50:38 |
| 35 km | 3:19:05 |
| 40 km | 3:47:31 |
| 42.2 km | 4:00:00 |
Formula & source — Pace — exact arithmetic
Pace per km = total time ÷ distance in km. Pace per mile = total time ÷ distance in miles. Speed = distance ÷ time. These are exact calculations, not estimates — your splits will vary with hills, wind and pacing.
Estimate, not medical advice. FitCalc results are estimates based on population-average formulas. They are not a diagnosis, a prescription, or a substitute for professional medical advice. If you have a medical condition, are pregnant, or take medication, talk to a doctor or registered dietitian before changing your diet or exercise. FitCalc claims no medical credentials.
Try next: Pace Calculator · 5K Pace Calculator · 10K Pace Calculator