PLAN · TRAIN

12 FEB 2026

How to Prepare for an 8,000m Peak:
Training, Gear and Mind

Above eight thousand, preparation is everything. This is the honest blueprint — the fitness, the oxygen, the acclimatisation and the nerve.

No one is born ready for the death zone. The body that stands on an 8,000-metre summit is a body that was deliberately, painfully built. Here is the straight talk on what actually prepares a person for the highest ground on Earth.

Fitness First

You need documented high-altitude experience before any operator will take you — usually a 6,000-metre peak minimum, and 7,000 metres recommended. On top of that, build serious cardiovascular endurance: hours on the stairs, trail running, and long multi-day backpacks carrying real weight. If your VO2 max is a hobby, the mountain will know.

Acclimatisation Is Everything

Expeditions above 8,000 metres are not climbs, they are sieges. You climb high and sleep low, again and again, letting the body manufacture more red blood cells. Most expeditions plan 45–55 days precisely for this. Rush acclimatisation and the mountain will not forgive — the most common causes of failure are altitude sickness and the body simply quitting.

Oxygen: The Great Decision

On many eight-thousanders, supplemental oxygen is the difference between comfort and survival. Purja climbed the fourteen twice without it. Most commercial climbers use it. Both are valid; both demand respect. Understand what your body needs and choose honestly.

Gear and Mind

Down suits, double boots, crampons, fixed-rope technique — all learnable. Harder to learn is the mind. The death zone asks you to keep making good decisions when your brain is starved and slow. The climbers who come back are not the strongest; they are the ones who turn back on time. What the death zone does to your body → and which peak to choose first →