5'50"/km = 10.29 km/h · 6.39 mph

1 track lap = 2'20"0

At 5'50" per kilometre you run 10.29 km/h, or 6.39 mph (9'23"/mile). 5K in 29'10", 10K in 58'20", half marathon in 2h03'04", marathon in 4h06'08".