08931d97_nalized_Paces___Runner_s_World__erceived_Exhaustion_Feels_LIke
[Purpose of Workout] Improve lactic acid tolerance, get very, very tough mentally and learn to relax as you tie up. [Phases] III / IV [% Effort] Serious sprinting at 95-100%
It's significantly faster than race pace. Your legs are full of lead; you are tying up as you near the finish. You are close to full sprint speed. For longer intervals, it's very painful.
Personalized Paces | Runner's World
Perceived Exhaustion Feels LIke