/km
Pace Calculator
Your running pace per kilometre or mile from a distance and a time, and what it means for race times.
Result…
How it's calculated
Pace = time ÷ distance Speed = distance ÷ time 1 mile = 1.609344 km
Pace is the time a unit of distance takes, the way runners talk; speed is the same thing turned upside down. The race times hold the pace constant, so a longer race at a 5K pace will be optimistic; a race predictor such as Riegel's formula allows for the slowdown.
Your numbers, step by step
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