VO2 Max Calculator

What is VO2 max and why does it matter?

Estimate your VO2 Max to optimize your sub-3 hour marathon training

Race Result

Estimate VO2 Max from any race distance and time, ideal for marathon runners.

Strengths:

Flexible for any race
Accurate for trained runners
Strong marathon correlation

Weaknesses:

Requires precise time/distance
Less accurate for sprints
Assumes maximal effort

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