Pace & Speed Converter

Convert between speed and pace, see race times at different speeds

Quick Converter

Race Times at This Pace

5K
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10K
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Half Marathon
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Marathon
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6-Minute Time Trial Predictor

Enter the distance you covered in a 6-minute all-out effort to predict race times based on your vVO₂max.

-- km/h

Predicted Race Times

Mile
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--/km
5K
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--/km
10K
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--/km
Half Marathon
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--/km
Marathon
--:--:--
--/km

How it works: A 6-minute all-out effort approximates your vVO₂max (velocity at max oxygen uptake). Race predictions use physiological models: Mile ~97.5%, 5K ~94%, 10K ~90%, Half ~84%, Marathon ~78% of vVO₂max.

Reference Chart

km/h mph min/km min/mile 5K 10K Half Marathon