#136 Jam McManus: Climbing Lhotse Without Supplemental Oxygen
Summary
Irish mountaineer Jam McManus discusses his historic 2026 summit of Lhotse without supplementary oxygen, marking the first time an Irishman has achieved this feat. He reflects on the extreme physiological challenges of the "death zone," including hallucinations and severe hypoxia, while explaining his strategic decision to hire a Sherpa for safety. McManus also details his transition from kayaking to high-altitude climbing and outlines his rigorous training regimen with coach Larry Goldie as he prepares for his 2027 attempt on Mount Everest.
Topics discussed
Introduction and guest background
How the host discovered Jam's training
Growing up in Ireland and early kayaking
Transition from kayaking to mountaineering
Injury, recovery, and finding purpose in training
First Himalayan climbs and guiding career
First 8,000m attempt and cumulative fatigue
Reasons for climbing without supplemental oxygen
Acclimatization strategies on Makalu and Lhotse
The Lhotse summit push and hallucinations
Physical sensations at extreme altitude
Role of Sherpa support and safety margins
Challenges of descending and the 8,000m line
Acclimatization memory and Everest crowd issues
North vs South side logistics and icefall changes
Why Lhotse was chosen over Everest for this attempt
Impact of coaching and structured training
Mental performance and self-talk during the climb
Decision-making differences: guiding vs personal trips
Lessons learned from previous failures
Big picture lessons and future outlook
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