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Fit enough for Hyrox or a marathon? Why that doesn’t necessarily mean your heart is ready

CNA

SportsCNA·Aug 29, 2026·1 min read

Fit enough for Hyrox or a marathon? Why that doesn’t necessarily mean your heart is ready

Experts explain why training performance and VO2 max don’t tell the whole story about your heart health – and when an ECG or other screening tools may be warranted.

View original source — CNA ↗

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