12.45km/h, my running speed on 4.78km 23:02

Time equivalence by distance

1km	2km	5km	10km
04:49	09:38	24:06	48:11
15km	20km	Half Marathon	Marathon
1:12:17	1:36:22	1:41:40	3:23:19

Split by km

km	Time/km
1 km	04:49
2 km	09:38
3 km	14:27
4 km	19:16
0.78 km	23:02

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