8km/h, my running speed on 4km 30:00

Time equivalence by distance

1km	2km	5km	10km
07:30	15:00	37:30	1:15:00
15km	20km	Half Marathon	Marathon
1:52:30	2:30:00	2:38:14	5:16:28

Split by km

km	Time/km
1 km	07:30
2 km	15:00
3 km	22:30
4 km	30:00

Calculate your running speed

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