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Split times

Generate even race splits from a target time and distance.

Built and maintained by The NumberPrism Editorial TeamEditorial policy

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Results update as you type. The formula and assumptions are explained below the calculator.

Average split per kilometre

4:30

Race distance10 km
Split per mile7:15
Halfway split22:30
5 km split22:30

Estimate only. Even splits assume a flat course and constant effort; on hills or in heat, pace will vary even when effort is steady.

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What does this tool do?

Even splits divide a target finish time into equal segments, giving a simple pacing template. Use the per-kilometre or per-mile figures as checkpoints rather than exact targets for every kilometre.

The Formula

Split = finish time ÷ race distance

Frequently Asked Questions

What is a split time?

A split is the time for one segment of a race, such as each kilometre or the halfway point. Even splits are all equal; positive or negative splits mean slowing down or speeding up.

Should every kilometre match the split exactly?

No. Terrain, turns and aid stations cause small variations. Use the split as an average target and check it every few kilometres.