Running Pace Calculator
Pace, speed and finish-time predictions for any distance.
Result
Pace /km5:00 min/km
Pace /mile8:03 min/mi
Speed12 km/h
5K prediction23:59
10K50:00
Half marathon110:19
Marathon230:01
Running Pace Calculator — FAQs
How are race predictions calculated?
Riegel's formula: T₂ = T₁ × (D₂/D₁)^1.06. It's optimistic for beginners — add 5–10% for a realistic target on longer distances.
What is a good 5k pace?
Beginners ~7 min/km (35 min), intermediate ~5:30/km, club runners ~4:30/km, elite under 3 min/km.
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