When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty/Ben Welsh If you’ve never heard of RPE before, it simply stands for Rate of ...

To Boost Cycling Speed and Strength, This Tool Is Even More Important Than a Power Meter. And It's Totally Free.

I was recently reading a French philosophy paper about fitness trackers (as one does) that compared the experience of the modern-day athlete to that of a gamer. With a heavy nod to Sartre, the authors ...

While there are plenty of fancy gadgets you can use to track your effort in the gym or on a run, there’s one core metric that uses no tech at all: the rate of perceived exertion. RPE in the most basic ...