VO2max Étiquette

Metabolic flexibility is not a diet trend — it is a physiological capacity. In this deep-dive, I examine substrate utilization curves, mitochondrial adaptation, RER interpretatio

2025-12-15

À l'intérieur des donnéesÉtat d'espritPerformances sur route

par Michael Tomasini

I Got Faster After 40. The Science Says That’s Possible—But Not Because Aging Reversed.

My first marathon at 30 was 3:59. At 40 it was 3:33. My best was 3:31 at 44. That looks like I “beat aging.” I didn’t. A rare 47-year study tracking the same people from age

VO2max Étiquette

Metabolic Flexibility

I Got Faster After 40. The Science Says That’s Possible—But Not Because Aging Reversed.