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I Couldn’t Stay in Zone 2 on My Easy Runs. Then I Took a VO2 Max Test That Finally Explained Why. - Runner's World

Published by Runner's World (UK) By Pavlína Černá · 2 August 2026 at 16:00
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I Couldn’t Stay in Zone 2 on My Easy Runs. Then I Took a VO2 Max Test That Finally Explained Why. - Runner's World
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What the report says

If zone 2 running feels impossible, your heart rate zones may be off. Here’s how a VO2 max test clarified one runner’s training.

Read the full report at Runner's World (UK) →

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