Is Your Recovery Run Sabotaging Your Hard Work? The 65-Minute Threshold

Is Your Recovery Run Sabotaging Your Hard Work? The 65-Minute Threshold Most recreational runners treat easy runs as a volume-building opportunity. You miss a track session, so you add 10 miles of “junk miles” on Tuesday to make up for it. This approach is a physiological error. It treats the easy run as a filler rather than a functional tool. The duration of your easy run dictates whether it serves as a catalyst for recovery or a catalyst for fatigue. There is a hard biological limit to the utility of low-intensity running, and it is not defined by how far you go, but by how long you stay in that zone. ...

February 12, 2026 · Eike Christian Karbe