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Running and endurance

Marathon Pace Calculator

Enter your marathon goal and get the exact pace, with cumulative splits to write on your arm.

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Results
Fill in the form: the result appears instantly.

Prepare your goal with a running coach

Training paces are only useful inside a plan. A running coach builds the weeks, the long runs and the taper for your race.

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Continue with

Race Time PredictorPredict your times at other distances from one race. Half Marathon Pace CalculatorThe pace and splits for your half marathon goal. Heart Rate Zone CalculatorYour five training zones from max and resting heart rate.

Example

A sub-4 marathon (3:59:00) needs 9:07 per mile (5:40 per km): 45:35 at mile 5, 1:59:26 at the half.

Method and formula

Pace = goal time / 42.195 km (26.219 miles). Equivalent times use Riegel.

Limits

  • Most marathoners slow after mile 20; a slightly negative split plan (first half 1 to 2 % slower than goal) is safer than even splits.
  • Weather above 60 °F costs several minutes; adjust the goal.

FAQ

What pace for a sub 4 hour marathon?

9:09 per mile (5:41 per km) for 3:59:59.

What pace for a sub 3:30 marathon?

8:00 per mile (4:58 per km).

What pace for a 3 hour marathon?

6:52 per mile (4:16 per km).

Free educational tool. Results are estimates from published formulas.