Our editors tested and reviewed the top picks that will upgrade every run.

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In the fourth century B.C., the Greek philosopher Aristotle laid down some key principles of running form. "Runners run faster if they swing their arms," he wrote. "There is in extending the arms a ...

I lost count long ago of how many times I heard that distinct cue from my coach as I hit the final lap of races as a high school runner. Without fail, I’d reach the backstretch of the track with 300 ...