Calculate your VO2 max based strictly on race performance. This effective value can actually be more useful than the lab-determined value because it also incorporates your running economy, lactate response, and perhaps even your motivation and willingness to deal with discomfort! The calculator is based on two equations; one that describes how oxygen consumption varies with running speed, and another that gives the maximum intensity a runner can sustain for any set time. To use my VO2 max calculator, select a distance and enter the time required to run that distance in a race or all-out effort. Click the first button to calculate your VO2 max. Click the second button to calculate your expected race times for other distances.

The source code for this application is available for free - just ask!

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