Conversion Formulas
km/h = 60 ÷ (min/km)min/km = 60 ÷ (km/h)min/mile = (min/km) × 1.609341 mph = 1.609344 km/hFor a finish time: total minutes = pace × distance
Common Values
- 5:00 min/km = 12 km/h = 8:03 min/mile
- 6:00 min/km = 10 km/h = 9:39 min/mile
- 4:00 min/km = 15 km/h = 6:26 min/mile
- 7:00 min/mile = 8:36 min/km = 13.8 km/h
- Walking ≈ 12 min/km = 5 km/h
Common Uses
- Setting treadmill speed from a target race pace
- Comparing splits with runners abroad
- Predicting finish time for 5K, 10K, half marathon, marathon
- Planning interval workouts (track sessions)
- Reading race reports from another country
Practical Tips
- A sub-3:30 marathon = 5:00 min/km. A sub-4:00 marathon = 5:41 min/km.
- World-record marathon pace (Kelvin Kiptum, 2:00:35) = 2:51 min/km.
Frequently Asked Questions
What is 5:00 min/km in mph?
7.46 mph (= 12 km/h).
How fast is a 4-hour marathon?
5:41 min/km, or 9:09 min/mile.
Is min/mile or min/km more useful?
Use whatever your race signage uses — UK and Europe use km, US uses miles.
Why is pace inverse of speed?
Pace measures time per distance; speed measures distance per time. They are reciprocals.