These findings suggest that there's a defined window for altitude living — between 2000 and 2500 meters — that can improve sea level performance in competitive runners. (sciencedaily.com)
Running or Walking: Competitive runners know that developing a strong core is a vital part of finishing a race with a good time. (active.com)
Yet we're only now grasping the true athleticism of the world's fastest sprinter in its natural habitat, thanks to the work of a former competitive runner who wanted to understand «the enigma of the cheetah.» (discovermagazine.com)