G gsupernova New member Apr 6, 2010 #1 i wanted to know if doing hill sprints will continue to increase your speed for as long as you do them throughout the whole year? or will hill sprints only increase your speed up to a certain point? Thank you
i wanted to know if doing hill sprints will continue to increase your speed for as long as you do them throughout the whole year? or will hill sprints only increase your speed up to a certain point? Thank you