Pace Calculator — Two ways to plan a run. Forward: enter a recent run time and distance to get your pace (min/km or min/mi). Reverse: pick a target pace and a distance to see your finish time. Useful for race planning, training zones, and tracking improvements.
Calculations are local. No data leaves your device.
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Pace Calculatorとは？
Two ways to plan a run. Forward: enter a recent run time and distance to get your pace (min/km or min/mi). Reverse: pick a target pace and a distance to see your finish time. Useful for race planning, training zones, and tracking improvements.
Supports both kilometers and miles. Switch the unit to see your pace in the other system without converting numbers by hand.
使い方
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Pick a unit
Kilometers or miles — affects all displayed values.
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Forward: enter time and distance
See your pace and your speed in the chosen unit.
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Reverse: enter pace and distance
See your predicted finish time.
使用例
50 min for 10 km
Forward mode.
結果： 5:00 /km, 12.0 km/h
5:30 /km for 21.1 km (half marathon)
Reverse mode.
結果： 1:56:04
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Last reviewed: 2026-09-25