VO2 Max Testing - 14 x 8000m Peaks without Oxygen 

High-altitude mountaineer Allie Pepper is having her ability to use oxygen tested.
She climbs the highest mountains in the world… without supplemental oxygen!
In the “death zone” above 8000 metres there’s not enough oxygen to sustain life.
Testing her is Dr Kenneth Graham, a scientist who works with high-performance athletes.
“to understand Allie’s Physiology and see if there are things that we can use to refine her approach to what she’s attempting.”
Is she “superhuman”? The result… Allie’s VO2 Max is Olympic athlete level.
Follow her journey 14 Peaks - No O2
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