What Your 5km Time Says About How Long You'll Live
Your VO2 max predicts how long you'll live — and most people have never measured it. In this video I break down the science behind the single best predictor of longevity, and the three evidence-based levers that actually move it. #parkrun What you'll learn: What VO2 max is and why it matters for longevity The Norwegian 4x4 method and why it works Why your easy runs might be sabotaging your hard ones How sleep drives mitochondrial adaptation 00:00 - The number that predicts your lifespan 00:34 - What is VO2 max? 01:03 - The 45% mortality reduction 01:21 - Lever 1 — High intensity intervals 01:56 - Lever 2 — Keep easy days easy 02:26 - Lever 3 — Sleep 02:59 - Health benefits beyond fitness 04:11 - Final thought I'm a registered nurse sharing evidence-based health content. This is not medical advice. References: Mandsager et al. (2018) — Cardiorespiratory fitness and mortality: JAMA Network Open Helgerud et al. (2007) — Norwegian 4x4 intervals: Medicine & Science in Sports & Exercise Van Cauter et al. — Growth hormone and sleep: Journal of Clinical Endocrinology
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