Masters & Female
Training adaptations after 50, female-specific physiology, iron and cycle considerations.
3 articles · sorted by most recent
General Endurance
Why Does My VO2max Decrease as I Age? And What You Can Actually Do About It
VO2max falls ~10%/decade if you stop pushing hard, but masters athletes who keep doing intervals drop only ~5%/decade. Here's the science and the fix.
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AO
AthleteOS Data Science General Endurance
Training by Menstrual Cycle Phases: What the 2026 Research Actually Says (and What It Doesn't)
The 'lift heavy in follicular, deload in luteal' rule isn't evidence-based. When McNulty 2020 filtered to high-quality studies only, the effect size was -0.01 — functionally zero.
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AO
AthleteOS Data Science General Endurance
Training Past 50: The Physiology Has Changed — Your Plan Should Too
Endurance training alone does not preserve fast-twitch muscle fibers after 50 — Tøien 2023 found masters endurance athletes at 39.3% type II fibers, nearly identical to sedentary older adults at 35.0%.
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AO
AthleteOS Coaching Team