20.45km/h, my running speed on 2.5km 07:20

Time equivalence by distance

1km	2km	5km	10km
02:56	05:52	14:40	29:20
15km	20km	Half Marathon	Marathon
43:60	58:40	1:01:53	2:03:46

Split by km

km	Time/km
1 km	02:56
2 km	05:52
0.5 km	07:20

Calculate your running speed

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