Can different race distances change the estimate?

Yes. The quality of the estimate depends on the effort and how representative the performance is.

Should I compare this with other runners?

You can, but trends over your own performances are often more useful than one-off comparisons.

VO2 Max Runners Calculator

Q: Is this as accurate as lab testing?

No. It is a formula-based estimate from running performance.

Estimate VO2 max from a running performance over a known distance.

Estimate VO2 max

Distance

Hours

Minutes

Seconds

This is a formula-based estimate from running performance, not a laboratory VO2 max test. Conditions, pacing, and distance choice can affect the result.

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