Rate of Perceived Exertion: Here's Why RPE Is Your Most Important Running Metric
This 1-10 RPE Chart (Rate of Perceived Exertion Chart) describes the effort level you should experience when at each point of the RPE scale (Rate of Perceived Exertion Scale) - as opposed to the 6-20 Borg scale. Using RPE to guide your running activity and plan your training plan, whether training for a 5k or a half marathon!