Training and technique

Zone 2

The conversational aerobic intensity — hard enough to be training, easy enough to hold a sentence. A moderate load is a convenient way to reach it while walking, without having to walk uncomfortably fast.

Related terms

RPEA self-rated effort scale, usually 1 to 10.

Metabolic costThe energy your body spends doing the work, usually quoted in watts or kilocalories per hour.

VO₂ maxThe maximum rate at which the body can use oxygen, and the standard measure of aerobic ceiling.

More from Training and technique

Ruck march Cadence Ruck shuffle Progressive overload Deload Time under load Foot march Base building Taper Back-to-back RPE

All 69 terms