Alan Culpepper
Published
Speed is not to be underestimated, even for marathoners. Doing speed training first will make you more efficient, so race pace is easier. Here's how:
Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more.
Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more.
Speed is not to be underestimated, even for marathoners. Doing speed training first will make you more efficient, so race pace is easier. Here's how: