4.8km/h, my running speed on 4km 50:00

Time equivalence by distance

1km	2km	5km	10km
12:30	25:00	1:02:30	2:05:00
15km	20km	Half Marathon	Marathon
3:07:30	4:10:00	4:23:43	8:47:26

Split by km

km	Time/km
1 km	12:30
2 km	25:00
3 km	37:30
4 km	50:00

Calculate your running speed

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