Sunny Weigh by Peptides Library
Calculator

Pace calculator, in 30 seconds

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Photo: Kitera Dent / Unsplash

Sunny Weigh by Peptides Library

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Pace calculator

Doubling your race distance usually costs more than double the time, about 2.1 times, which is why marathon goal paces feel slower than 10K paces.

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Step 1

Pick a distance (1 mile, 5K, 10K, half, marathon) or enter custom miles.

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Step 2

Enter your finish time in hours, minutes and seconds.

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Step 3

Read your pace, speed, splits and predicted times for other races.

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Pace and splits

Pace = time ÷ distance.

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Race predictions

Predictions use Riegel's formula: T2 = T1 × (D2 ÷ D1)^1.06 .

Want the full picture?

Work out your pace per mile and km from any distance and finish time, with mile splits and predicted times for 5K, 10K, half marathon and marathon.

Tap below for the full page. Not medical advice; talk to your clinician about your care.

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