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Aging Isn't Decline. It's a Strategy You Were Never Taught.

Instant access to the complete performance system for training after 40 — built around your brain, hormones, recovery, and longevity by a coach who's lived it, a doctor who understands the medicine, and a champion who still competes.

Here's what you get:

  • Instant digital access to The 40+ Performance System

  • 20 chapters across 3 expert perspectives — a coach, a doctor, and a competing pro

  • The 4 Pillars of 40+ Performance — the framework that organizes your training, recovery, and longevity

  • Mobile-friendly access through your Underground Athletes University account — learn anywhere, on any device

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40+ Performance System (Book)
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$149.99
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40+ Performance System (Book)1$ 149.99
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