Share 'How to do interval training for increasing distance running?'
IM LOST! I dont know where or how to start interval training to improve my endurance and speed on long runs. Ive heard a lot of people talk about it but cant find a set schedule or anything saying how to do it! Jog for 3 minutes then walk for 1?? and do this for about 3 miles?? So confused! Help!
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