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Masters 35+
Masters 35+

Cardio at 45 vs cardio at 25 — what changed?

M

Mat Historian

May 2, 2026, 3:01 AM

I used to do 2-hour open mats and feel fine. Now 45 min and I'm gassed. Is this just age? Should I be doing zone 2? Strength? What actually moves the needle for masters cardio?
33 replies11h ago

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