VO2max Calculator
It should work with most segments of a ride but is most accurate with efforts within a ride that are more steady by nature and after about 20 minutes of warmup.
VO2Max (3-min)
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watts
VO2max
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ml/kg/min
Critical Power
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watts
W' (Anaerobic)
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kJ
Max Power & Heart Rate Durations
Power Curve (W)
HR Curve (bpm)
Advanced VO2max estimation from single efforts - no max efforts required. Uses ACSM oxygen cost formula with CP/W' phenotype modeling and square root decay for HR profiles.