Zone 2 Training Deep Dive: Why Aerobic Base Is Your Secret Weapon

A 2023 study published in Medicine & Science in Sports & Exercise found that athletes who logged just 3 hours per week in zone 2 increased their VO₂ max by an average of 12% after eight weeks, without sacrificing strength gains. This statistic underscores why zone 2 training isn’t just “easy cardio”—it’s a potent, science‑backed lever for building an aerobic base that fuels better lifts, faster recovery, and long‑term health.