10/30/2026
Two 90-minute Zone 2 sessions a week may help at first—but progress can call for more training volume. With intensity kept low, that may mean adding hours, and time has to come from somewhere.
Excerpt from Flex Diet Podcast Episode 410: Do Fighters Really Need Zone 2? Heart Rate Recovery, Sprint Intervals & NIRS — James de Lacey
https://miketnelson.com/podcast/zone-2-cardio-fighters-james-de-lacey