November 13, 2026 · 10 MIN
Circadian Rhythm and Training Time: How Your Body Clock Shapes Performance
Core body temperature peaks at 16:00-18:00, producing a 3-6% performance window for strength and power and a 2-4% window for endurance capacity. Training at your circadian peak amplifies adaptation — but the practical constraints of work, family, and race schedules mean the real skill is learning to shift your chronotype to match your goals.