Outdoors on a grass track I can run the 100m in 13-14 seconds, or the 1500m in 8 minutes.
Indoors on a treadmill it takes me 4 minutes to run 400m, meaning my 100m time is a whole minute.
Why is it so much harder on a treadmill?
Outdoors on a grass track I can run the 100m in 13-14 seconds, or the 1500m in 8 minutes.
Indoors on a treadmill it takes me 4 minutes to run 400m, meaning my 100m time is a whole minute.
Why is it so much harder on a treadmill?