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10,000 calories per day.

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  • #16
    Lots of good suggestions Neil but if you are going that long I would focus on what you like. That seems to be the basis for many hiking and survival diets. Besides I don't know about you all but I love to think about my favorite restaurant or meal at the end of a long day. It's a carrot that I can get psyched for. and besides
    I have kimchi and ramen every morning and it has not stunted my growth, beauty or intelligence

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    • #17
      Originally posted by debmonster View Post
      Olive Oil has 240 calories per ounce,
      Agreed that fat is very important
      My local grocery store sells 1.15 ounce (32 gram) packets of peanut/almond butter
      Nut butter and nuts will figure in the plan.

      Do you know how many calories you can digest while burning 10K calories per day?
      Great question! There must be published research on this somewhere

      My point is that during such long run/hikes you burn the reserves of fat and muscles of your body.
      Did you see the pictures of CoryD and Jan after their 46-er unsupported through-hike? Walking scarecrows.
      10k might be a bit high.
      Quite possibly.
      Instead of worrying about fat to eat, you can just gain it on your body before the hike. The major reason to eat fat is to make your food tastier and this is important, since in long distance that's what prevents people from eating enough.
      Have you ever read how stone-age Inuit ate? No shortage of fat for them.

      if you are burning proteins instead of carbs you will notice a slight ammonia smell from your sweat,
      Very interesting. I have read that on a long hike one might derive up to 10% of one's energy from protein breakdown. I have had the cat piss smell on my clothes before but was unaware of its meaning. I wonder if you can manipulate your food intake to reduce protein breakdown to zero (other than protein that gets broken down from wear and tear). I also wonder where the protein for energy comes from: non-working muscle, other tissues?
      12 days should be manageable if you burn 1 to 1.5 pounds of your own fat per day.
      Sounds like too much.
      if you are going that long I would focus on what you like.
      Very simple and very important. Smores Pop-Tarts for breakfast with freshly brewed coffee mixed with instant hot chocolate and laced with lots of sugar.
      1111111111

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      • #18
        I'm pretty sure the stone-age Inuit were not hiking 50 miles days with 10,000ft gain. Your energy demands are much different and they depend on energy consumption rate. For fighting cold and walking flat lands, which are very low aerobic activities, fat is great.

        Like I said in my previous post, if you want to avoid burning muscle, feed your body enough carbs. You can read a detailed explanation here: http://www.bodyrecomposition.com/nut...overview.html/ The ammonia smell and protein burning? I've experimented a lot with this and found a combination of medium-high rate of exertion and no carb input that will produce the ammonia sweat and breath. My extended hikes with no food didn't do this.

        I think you can absorb about 450cal/hour with a perfect combination of carbs and osmolality, but gastrointestinal discomfort will be the biggest issue and you need to experiment. Hammer has a classic guide for carb ingestion optimization: http://www.hammernutrition.com/hnt/294/. The more real food you eat the more water you will need for absorption. If you like stats and research, I highly recommend Noakes' Lore of Running. It's a dated book, but any news article seem to have already been thoughroughly documented in it.

        A great, but short read when attempting something this big are words of wisdom of people having done the Hardrock 100. 100 miles and 33k ft gain, some call it the Hardwalk. I'm mentioning it here, because there a good tips from David Horton about food. http://www.irunfar.com/2015/07/how-t...drock-100.html

        CoryD and Jan's look might be an effect of sleep deprivation and maybe dehydration. Reading about Jurek's appalachian record might give some insight. I remember he got pretty skinny doing it or maybe that's what the perfect ultra hiker is supposed to transform into.

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        • #19
          What about MRE's? lots of calories there.

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          • #20
            Originally posted by rich99 View Post
            I think you can absorb about 450cal/hour with a perfect combination of carbs and osmolality, but gastrointestinal discomfort will be the biggest issue and you need to experiment. Hammer has a classic guide for carb ingestion optimization: http://www.hammernutrition.com/hnt/294/. The more real food you eat the more water you will need for absorption. If you like stats and research, I highly recommend Noakes' Lore of Running. It's a dated book, but any news article seem to have already been thoughroughly documented in it.
            When I did P-46 I maintained my body weight all the way through. Besides eating very big and rich dinners I consumed a lot of sucrose (this after reading a review article in the scholarly literature on endurance sports and sucrose fueling) and some high fructose corn syrup in the form of 2 root beers per day. On single day hikes I always drink 2 highly sweetened home-blended protein drinks and 250 mls of sugar-saturated espresso coffee along with Cliff bars, home-made jerky, home-made cookies and granola bars each with some protein powder added to the recipe. On this summer's hike I'll have to change some aspects of my MO.

            1111111111

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            • #21
              Resurrecting an old thread. I just watched a conference by Mike Horn talking about his north pole by night expedition. He stated his 14,000 calories daily diet included 500ml of olive oil. I thought the data point could be of interest to some here.

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              • #22
                I've only met a handful of people that were capable of ingesting 10k calories a day. It is an expensive and physically exhausting task. Eddie hall eats 10k calories a day when training.

                I currently eat 2500-2600 per day and maintain around 250 pounds of bodyweight at 6ft of height. This is a critical number for me. 2300 per day drops me to mid 240's. Not sure what your weight or height is.


                When I hike, I've yet to find a way not to end up in deficit. Fortunately, my hiking frequency negates any negative affects this would have on me.


                The easiest way to bump calories is with fats. The problem with fats is they are slow to digest and slow digestion of whatever foods you eat them with. Hence why carbs are often ingested with a low fat meal and why fats are preferred for evening meals.


                Carbs are typically higher in calories, but also tend to be filling and unfortunately, satisfying.


                I've always wanted to try the famed 30 day, 10k calorie diet. I.e. 30 days, 10k calories , 12 hours sleep per day. Just hasn't happened, yet.

                I'd love to hear how your experiment goes.

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                • #23
                  The experiment went quite well. After posting this I did a series of 3-day backpacks in the HP's leading up t to the 15-day backpacking trip. I carried a variety of foods, mostly home-made and home-dehydrated but also store-bought. I didn't count calories but counted grams and when I got home from the 3-day hikes I checked was was left over and made adjustments for the next outing. On the big trip my daily allotment was
                  • Home-made granola (lots of nuts) with dried milk powder and caffeinated gu for breakfast.
                  • 150 g. home-made granola bars (oats, nuts, coconut, powdered oreo cookies, sugar, butter)
                  • 50 g. beef jerky
                  • 50 g.grams candy
                  • 75g. sugar covered peanuts
                  • 30 g. dried fruit
                  • 2nd gu packet
                  • 125 g. home dehydrated supper (lots of protein and fat plus carbs).

                  I weigh about 170.
                  I seriously doubt I was burning 10k calories per day. More like 6-7. Anyway, I had just enough food and didn't seem to lose weight on the big trip. However some of the 3-day scouting trips were brutal and I lost weight on those. No need to weigh myself, my wife could see it when I got home.
                  1111111111

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