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Fat loss while climbing

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Fat loss while climbing

Postby Grampahawk » Fri Jun 24, 2011 9:22 pm

I generally lose 4-5 lbs while climbing a typical US or Canadian glaciated mountain. I wanted to find out if I was losing lean tissue as well as fat so I had a Bod Pod test done just before and after climbing Mt Baker and Mt Hood over a 7 day period. I lost 5.1 lbs of fat, gained 1.9 lbs of lean, for a total loss of body weight of 3.2 lbs. This is a pretty amazing result. I was surprised that I gained lean. Being an old guy, I was at 22% body fat before the trip. I don't know how much other data is out there, but is this typical? (Wish I didn't live on the East coast so I could do this more often)
Last edited by Grampahawk on Wed Jul 20, 2011 5:44 pm, edited 1 time in total.
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Re: Fat loss while climbing

Postby ExcitableBoy » Fri Jun 24, 2011 11:59 pm

I am not sure about what is typical, but I lost 15 pounds on a five day alpine climb once, but lost no weight on Denali.
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Re: Fat loss while climbing

Postby CClaude » Sat Jun 25, 2011 2:31 am

Probably somewhat typical, but everyones bodies are slightly different. When I am in Peru or Nepal (unfortunately its been a few years..... really need to get back) in a 30 day period I'll loose an average of 15lbs starting out at 4-5% body fat (so for me its mostly lean muscle tissue). But ast 22% body fat I'd expect that you'd gain a little lean muscle while loosing quite a bit of fat (its a Joe Brown trick).
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Re: Fat loss while climbing

Postby EverydayExplorer » Sun Jun 26, 2011 12:05 am

On what turned out to be an epic one day-ish push in the North Cascades I lost seven pounds. A couple of days later once I had rehydrated and eaten a couple of proper meals I was still four pounds lighter. Putting that in calories perspective if a pound of fat/muscle is 3,500 calories then it was a 14,000 calorie day. The only reason I remember this is because I was trying to lose a few pounds at the time.

Note that at the time I was a little over 200lbs and my best guess is 15-25% of "retained energy".
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Re: Fat loss while climbing

Postby epicclimb » Wed Jun 29, 2011 8:56 am

i lose weight during weeks i spend my food money on gas to go to the mountains but i guess this is different than the discussion here :)
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Re: Fat loss while climbing

Postby mconnell » Sat Jul 02, 2011 2:16 am

EverydayExplorer wrote: then it was a 14,000 calorie day.


about the same as running 140 miles on level ground in a day.
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Re: Fat loss while climbing

Postby Brad Marshall » Sat Jul 02, 2011 3:30 pm

I typically lose 10 or more pounds on an expedition and assumed it was all fat disappearing because I have a lot to spare. Never seems to last though :(
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Re: Fat loss while climbing

Postby Skateboards2Scrapers » Tue Jul 19, 2011 6:54 pm

Also depends on what you define climbing as....
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Re: Fat loss while climbing

Postby Marmaduke » Tue Jul 19, 2011 8:36 pm

I didn't find a thread that fits my question but this one is close enough.

Some of this won't be exactly accurate but ........I have had many discussions about diets. The obvious is that if you burn more calories than you are taking in you will either lose weight or at least not gain. But many people who are always talking of diets speak to what is bad for you regarding weight gain. Most state it's calores and carbs. As I understand it, calories that ARE NOT from fat will burn easily if you are exercising. The same with carbs. As they turn to sugars, provide energy, and then are burned off. These "dieters" should be concerned with "fat grams" as they do not burn off as easily, especially if they are not active.

Is that basically the case?
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Re: Fat loss while climbing

Postby Clark_Griswold » Tue Jul 19, 2011 11:07 pm

It was 95% hiking with some scrambling, but in 2008 I lost about 5 pounds in 3 weeks of traveling and doing about 7 mountains over 14,000' with anywhere from 4000' to 6500' of change on each one. Got down to 150 pounds by the end of the session. In 2009, I lost about 2 pounds over 2 weeks on 5 mountain over 11,000' with 3000' to 6500' of change on each. Last year, I was stable, but the Grand Teton was my only real climb. Plus, I found, that if I had access to good food, like the Chuck Wagon in Grand Teton, I was more inclined to eat and enjoy meals so I didn't loose weight. In 2008 and 2009 I backpacked more to access peaks and lost weight, not so last year. I did a 5 day BP trip in May of 2010, but was stable, however that was more relaxation and the whole trip had only 4000' of elevation change. Plus, I ate a lot of cliff bars.
...
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Re: Fat loss while climbing

Postby Smoove910 » Wed Jul 20, 2011 4:12 am

I would say alot of it depends on how much water ones body retains. Most of the initial weight loss is from sweating.
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Re: Fat loss while climbing

Postby hamik » Wed Jul 20, 2011 4:07 pm

Heh, I will have some data as soon as I get home to my scale (from Colombian airport, yawn)
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Re: Fat loss while climbing

Postby Grampahawk » Wed Jul 20, 2011 5:43 pm

Smoove910 wrote:I would say alot of it depends on how much water ones body retains. Most of the initial weight loss is from sweating.

FYI- The fat/lean gained or lost from my original post was measured in a Bod pod which factors out the water content of the body.
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Re: Fat loss while climbing

Postby MoapaPk » Wed Jul 20, 2011 6:02 pm

I started on a long one day hike, weighing 152 lbs. The next day, I was just 69 kilograms.
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