Training
Training for Kilimanjaro: what actually transfers
Hills, hours and a loaded pack. Almost everything else is optional.
You cannot train for altitude at sea level. You can train for everything else — and the sessions that transfer are not the ones most people do.
There is a straightforward answer to how you should train for Kilimanjaro, and it is boring: walk up hills for a long time, carrying the pack you will actually use, on consecutive days.
What you are training for
Not a race. Not a single hard effort. You are training for six to nine consecutive days of four to seven hours on uneven ground, followed by one night of twelve to fifteen hours. Endurance and durability matter enormously; peak fitness matters much less than people assume.
You cannot train for the altitude itself at sea level. Nothing you do in a gym will meaningfully change how your body responds above 4,000 m. That part is decided by your itinerary and your genetics, which is why we spend so much time talking about sleeping altitude and so little about VO2 max.
The session that transfers most
A four-to-six hour hill walk with eight kilograms on your back. Do it on a Saturday. Then do a shorter version on the Sunday, on tired legs, because that back-to-back is the specific thing Kilimanjaro will ask of you and the specific thing almost nobody trains.
The thing nobody trains, and should
Walking downhill under load. The Kilimanjaro descent is long, steep and comes at the end of the hardest day of your life. It is where knees give out, where people fall, and where the trip goes wrong for a meaningful number of climbers who summited perfectly happily.
Downhill walking is eccentric loading, and the only way to prepare for it is to do it. Add deliberate descending to your hill days. Use poles. Your knees on day seven will be the beneficiary.
A simple twelve-week shape
- Weeks 1 to 4. Two or three walks a week, building the long one to three hours. Start carrying the pack immediately.
- Weeks 5 to 8. Long walk to five hours. Add a second walk on the following day. Introduce deliberate downhill.
- Weeks 9 to 11. Peak. One back-to-back weekend per fortnight, six hours then three, full pack, hills.
- Week 12. Taper. Short and easy. Arriving fresh beats arriving fit and tired.
The equipment part of training
Every session is also a kit test. Boots must have fifty kilometres in them before you fly. Socks, pack, poles and waterproofs should all be things you have already had a bad day in. Nothing new on the mountain — the phrase is a cliché because it is true.