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Marathon Pace Calculator

Required pace and splits for your goal time.

Details

Results

Required pace
Per km
Halfway split
Speed

Estimates only — not medical advice.

How it works

Enter your goal finish time and race distance. We compute the even pace per mile and per km, your halfway (even-split) checkpoint and the equivalent speed.

Aim for even or slightly negative splits — going out too fast is the classic marathon mistake.

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Good to know

FAQs

What pace do I need?

Goal time ÷ distance — shown per mile and per km.

What's an even split?

Running the second half in the same time as the first.

Should I bank time early?

Usually no — even pacing is more reliable.

Medical advice?

No — a training tool.