3'40"/km = 16.36 km/h · 10.17 mph

1 track lap = 1'28"0

At 3'40" per kilometre you run 16.36 km/h, or 10.17 mph (5'54"/mile). 5K in 18'20", 10K in 36'40", half marathon in 1h17'21", marathon in 2h34'43".