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Running calculators

Pace, finish times and race predictions for every distance.

• Running Pace CalculatorPace per mile and per kilometer, plus speed, from any distance and time.
• Race Time PredictorPredict your 5K, 10K, half marathon or marathon time from a recent race, using the Riegel formula.
• Marathon Pace ChartThe pace per mile and per kilometer you need for every marathon finish time from 2:30:00 to 6:30:00, plus a calculator for any goal.
• Half marathon Pace ChartThe pace per mile and per kilometer you need for every half marathon finish time from 1:10:00 to 3:30:00, plus a calculator for any goal.
• 10K Pace ChartThe pace per mile and per kilometer you need for every 10k finish time from 30:00 to 1:30:00, plus a calculator for any goal.
• 5K Pace ChartThe pace per mile and per kilometer you need for every 5k finish time from 15:00 to 50:00, plus a calculator for any goal.