To run a marathon in 2:30, hold 5'43" per mile, i.e. 10.49 mph (3'33"/km). At that pace: 5K in 17'46", 10K in 35'33", half marathon in 1h15'00", marathon in 2h30'00".
Marathon in 2:30: 5'43"/mile
1 track lap = 1'25"3
1 track lap = 1'25"3
To run a marathon in 2:30, hold 5'43" per mile, i.e. 10.49 mph (3'33"/km). At that pace: 5K in 17'46", 10K in 35'33", half marathon in 1h15'00", marathon in 2h30'00".