In the marathon world record, how many seconds does the runner need on average for each 100 metres?

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The answer

17 seconds

About 17 seconds per 100 metres, 422 times in a row without a break.

How to get there

1. World record: 1:59:30 = 7,170 seconds
2. 42.195 km = 421.95 stretches of 100 m
3. 7,170 ÷ 421.95 = about 17 seconds per 100 m

Source: WatchAthletics: Sabastian Sawe ran a world record of 1:59:30 at the London Marathon on 26 April 2026

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