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At altitude, reduced atmospheric pressure means less oxygen per breath. VO2max decreases approximately 1% per 100m above 1,500m, causing slower pace for the same perceived effort.
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- 1VO2max reduction: approx 1% per 100m above 1,500m elevation
- 2Performance impact is greater for longer, more aerobic events
- 3Acclimatisation over days to weeks partially compensates through physiological adaptations
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What is Altitude Performance?
At altitude, reduced atmospheric pressure means less oxygen per breath. VO2max decreases approximately 1% per 100m above 1,500m, causing slower pace for the same perceived effort
How accurate is the Altitude Performance calculator?
The calculator uses the standard published formula for altitude performance. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.
What units does the Altitude Performance calculator use?
This calculator works with inches, percentages. You can enter values in the units shown — the calculator handles all conversions internally.
What formula does the Altitude Performance calculator use?
The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.
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