Oxygen delivery, VO2max, and breathing efficiency all shape how the respiratory system supports endurance performance.
Oxygen delivery, VO2max, and breathing efficiency all shape how the respiratory system supports endurance performance.

Oxygen delivery, VO2max, and breathing efficiency all shape how the respiratory system supports endurance performance.
Oxygen delivery, VO2max, and breathing efficiency all shape how the respiratory system supports endurance performance.
This session builds off our intro workout on fast-start intervals with a step-down workload that will have your legs screaming.
The ability to push a big gear with high cadence teaches a sport-specific strength that is difficult to create otherwise.
Sometimes the only reason I’m motivated to do an actual interval workout is all the pumpkin pie I have in my immediate future.
See how to match the right high-intensity interval strategy to you and your event to achieve your best possible performance.