November 28, 2023
A former Graduate Scholar’s Athlete Diet Portfolio: AT Via Hiker Version

Hello buddies!

I launched myself (and my frog hat) yesterday however I needed to share one thing actually fast earlier than my mother drops me off on the Strategy Path tomorrow and takes my laptop computer together with her. I’m going to have to determine speak-to-text, as a result of the thought of writing these weblog posts on a telephone sounds tremendous not enjoyable.A former Graduate Scholar’s Athlete Diet Portfolio: AT Via Hiker Version

The next is the write up of a undertaking I did in graduate college at (THE) Ohio State College once I was engaged on my Masters in Dietetics (so, like, final yr). It was a efficiency vitamin class, and for a undertaking we had to decide on an athlete and create a portfolio on them, breaking down their macronutrient wants and some other vital vitamins primarily based on the calls for of the game. I needed to problem myself whereas additionally preserving it attention-grabbing, so I selected an AT thru-hiker. I had 2 household buddies who have been out on the path on the time, and I used to be a few yr and a half out from my begin date (which once I began scripting this submit, was tomorrow, however now its 12:05am so my begin date is formally TODAY!!!), so I needed to do one thing that may be helpful for me outdoors of sophistication.   

 Right here’s somewhat disclaimer: Being a graduate scholar, unpaid intern, half time supervisor, and unintended mom to a gaggle of child geese (that’s a narrative for an additional day) throughout a pandemic was fairly overwhelming, and I used to be surviving on extra espresso and vibes than sleep and meals, so forgive me if there are any errors. I bear in mind getting an excellent grade on the undertaking, however I’m positive there have been some small errors right here and there that my professors instructed me about in suggestions that I by no means seemed it. So, my dangerous on that. Additionally: This isn’t me telling you or anybody how they need to eat on the path. The meal plan offered is to satisfy the typical every day wants of a particular particular person, whose intercourse, physique weight, physique composition, and exercise degree are going to have vital affect on. Hyperlinks are offered for assets aside from courses and notes at Ohio State.  And now, with out additional ado…My Homework™.

Introducing My Athlete

Athlete getting used for this undertaking: Hiker making an attempt a thru-hike of the Appalachian Path. Male, age 21, 5’ 9”, 205lbs, 24% BF. Mountaineering on common 8 hrs/day (often 2-3 mph tempo, (often 1mph tempo if terrain is tough), carrying a 30lb pack. This athlete doesn’t wish to actively try to vary his physique composition. For a northbound thru-hike ranging from Springer Mountain in northern Georgia in mid-March, and ending on the summit of Mt. Katahdin in Maine in September. This path is roughly 2181 miles lengthy, however with strolling off trails to cities and whatnot, the full distance hiked on this time-frame will possible be a lot increased, nearer to 3000 miles. Alongside the whole lot of the path, you acquire and lose elevation always – when it comes to elevation acquire/loss, it’s the equal of climbing and descending Mt. Everest 16 occasions.

A typical every day schedule:
– Between 5-9am: get up, eat breakfast, pack up, and head out on the path
– Hike 3-4 hours (snack alongside the best way) earlier than stopping for lunch/relaxation
– Hike extra, snacking alongside the best way.
– Hike a couple of extra hours till attending to a spot to make camp for the night time (may very well be a shelter, hostel, city/motel, or simply someplace to arrange a tent) Prepare dinner/eat dinner at the least 200 yds from camp.
– Roughly as soon as per week, take a zero day in a city to resupply, do laundry, relaxation, and so on.

Power Wants
MSJ: 9.9 (93.18kg) + 6.25 (175.26cm) – 4.92 (21) + 166 = 2080 kcal
– With Exercise Issue: 1.4: 2912 kcal
– With AF: 2.0: 4160 kcal
– With AF: 2.5: 5200 kcal

HB: 66.47 + 13.75 (93.18kg) + 5 (175.26cm) = 2081 kcal
– With AF: 1.4: 2913 kcal
– With AF: 2.0: 4162 kcal
– With AF: 2.5: 5202 kcal

WHO: (15.3 x 93.18kg) + 679 = 2105 kcal
– With AF: 1.4: 2927 kcal
– With AF: 2.0: 4210 kcal
– With AF: 2.5: 5262 kcal

I didn’t embrace the TEF (thermic impact of meals) in these calculations, as in school and in my class notes it says to solely embrace this for athletes attempting to achieve weight. Nevertheless, Via-hiking is a sport that consumes an incredible quantity of energy. Even utilizing a 2.0 or 2.5 Exercise Issue, I don’t suppose that’s sufficient energy for this athlete to keep up his weight over the course of the “season”. It’s very laborious to “outeat” the quantity of energy being burned, however some handle to do it. I’ve included the useful resource I’ve used to find out the vitality wants for this particular sort of athlete. For this, I’m assuming every week hikes the typical (8hr) on 5 days, has one “nero”, or near-zero day (a couple of miles max), and takes a zero day (no mountaineering) on the town sooner or later to resupply, relaxation, and do laundry.

Utilizing the Chart on this web site his vitality wants could be 6752 kcal/day (8hr backpacking,, 8hr resting, 8hr sleeping) on regular days, 3596 kcal/day on nero days (1-2 hrs backpacking, 12-13 hr resting, 10hr sleeping), and 2562 (14hr resting, 10 hr sleeping) on zero days. This averages out to about 5700 kcal/day. This appears excessive, however on model with what skilled thru-hikers declare to burn. That is the calorie quantity I’m going to make use of for the remainder of the portfolio.

With reference to protein, this athlete would require someplace between 1.0-1.2 g/kg physique weight. I made up my mind this vary through the use of the next sources: and sophistication lecture slides. This equates to 93-112 g protein/day. As a result of quantity of energy being consumed for upkeep, the excessive finish of this vary (112g/kg) is just 7% of the full kcal wants. I’d say this 112g could be a minimal for this athlete, despite the fact that in accordance with the assets it’s the excessive finish. This athlete will likely be mountaineering a whole bunch of miles for days on finish and would require enough protein to make sure correct restoration.

The vary of CHO (carbohydrate) this athlete requires is between 8-12g/kg BW/day. This comes from the macronutrient lecture slides used this semester in school. I imagine this athlete falls underneath the IOC’s “Excessive Dedication, reasonable to excessive depth, >4-5 hours/day” class. At 93.18 kg, this is able to equal 745-1118 g of CHO/day.

5700 – (448 kcal from protein + 3200 kcal from CHO) = 2052 kcal remaining for fats;
1852 kcal / 9kcal= 228 g fats

Ultimate Breakdown:
228g fats = 36% of whole kcal
112 g protein = 7% of whole kcal
800 g CHO = 56% of whole kcal

Transferring on to Hydration:
When evaluating the AT to the opposite 2 US Triple Crown hikes, water sources are going to be ample. The CDT and PCT every have an extended desert part, which the AT lacks. That doesn’t imply that the hiker ought to take any with no consideration, and assume they’ll cross one other quickly. When within the presence of a water supply, they need to take the time to replenish their provide of protected consuming water. This may very well be from a spring, city, creek/stream, rainwater, and so on. It’s vital that the hiker filters all water besides collected rain water or water bought on the town. The Sawyer Squeeze is a water filtration product typically utilized by lengthy distance hikers. Some of the widespread methods to find out hydration standing is checking urine coloration. Nevertheless, since many hikers are doing their enterprise outdoors, this is probably not possible. Different indicators of dehydration they will search for are their urine output/frequency, capillary refill time, and/or if their mucus membranes are moist or dry.
A 205lb particular person will want an estimated baseline of 102-103 oz of water (1oz per lb 1/2 BW). A basic rule of thumb for athletes is to switch every pound misplaced by train with a further 16-24 oz of liquid. Weighing the athlete earlier than and after every day of mountaineering isn’t actually possible, as they aren’t going to hold a scale of their pack and lug that round with them for months. For that very same purpose, I made a decision to not trouble with sweat price for this athlete, as there is no such thing as a method they’ll realistically have the ability to weigh themselves earlier than and after mountaineering, or keep away from consuming water throughout mountaineering on humid days for hours and hours.

The rule of thumb when mountaineering is at the least 0.5 L of water per hour. If the climate is scorching or humid, or if the particular person has the next sweat price, then this may be increased. Some vital issues for hikers, particularly lengthy distance hikers, to recollect are: Drink typically, even when not feeling thirsty; if you’re going up in altitude, you could want extra water to remain correctly hydrated; hydrate on the town/earlier than leaving to hike; drink enough liquids on zero days; remember to exchange electrolytes when exercising for prolonged durations of time, particularly in warmth/humid situations (which you’ll undoubtedly encounter within the japanese facet of the US in thru-hiking season).
Meal Plan:
This athletes common wants: 5700 kcal, 800g CHO, 112 g Protein, 228g Fats
For the meal planning for this task, I used to be initially going to make use of the best vary of energy (what they might require on a day of 8hrs of backpacking on the AT), That is 6750 kcal, 944g CHO(56% whole kcal), 112g protein (minimal, 7% whole kcal), 275g Fats (37% whole kcal). Nevertheless, since I’ve been instructed it’s just about unimaginable to overeat the quantity of energy being burnt on these days – I’m going to stay with the typical and do 5700 kcal. Even that is going to be increased than most are literally going to eat on path. From speaking with thru-hikers, most get round 3500-4500 kcal a day and lose a big quantity of weight through the hike. There are loads of obstacles to getting the total quantity of energy wanted: funds, having to hold a lot of what you might be consuming for mile after mile, in addition to simply the truth that to bodily eat 5000-7000 energy a day could be very laborious to do. I’m going to faux it is a day of mountaineering by Maine’s 100-Mile Wilderness, which means there is not going to be any cities/eating places to cease at, so it would all be meals from their pack (aka, not a lot/any recent fruits/veggies or dairy as they wouldn’t preserve effectively). This part of the AT is in the direction of the top of a NOBO through hike. At this level, “hiker starvation” could have lengthy set in (mainly like insatiable starvation), so he’ll have the ability to eat greater than a mean particular person not doing this hike would have the ability to, and even than he would’ve been in a position to eat the primary few days/weeks on the path. However even then, because of the causes above, it’s unlikely {that a} hiker will really devour their wants on the path, so please preserve that in thoughts. This meal plan is for his or her common NEEDS, not what a mean through hiker would really have the ability to eat and/or afford to eat every day on their hike.

Step 1: 800 g CHO/15g CHO per trade = 53 CHO exchanges
2 cups oatmeal: 60g CHO, 12g protein, 1g fats, 320 kcal
2 tbsp maple syrup/honey: 30 g CHO, 140 kcal
1 cup dried blended fruit: 120g CHO, 480 kcal
2oz potato chips: 30g CHO, 6g protein, 12 fats, 340 kcal
4 chewy fruit snacks/roll: 60g CHO, 280 kcal
2 1/3 cup pasta: 105 g CHO, 21 G protein, 7g fats, 560 kcal
64 oz gatorade: 120 g CHO, 560 kcal
2 sm choc chip cookies: 15g CHO, 10g fats, 160 kcal
1 lg packaged muffin: 60g CHO, 12.5g fats, 393 kcal
1 pkg cheese sandwich crackers (6 whole): 30g CHO, 6g protein, 12 g fats, 250 kcal
2 granola bars: 30g CHO, 6g protein, 2g fats, 160 kcal.
5 lg medjool dates: 75g CHO, 300 kcal
Graham crackers (9 squares): 45g CHO, 9g protein, 3g fats, 240 kcal
3 laborious candies: 15g CHO, 70 kcal

Whole after CHO (starches, fruits, and so on): 795g CHO, 60g protein, 59.5g fats, 4253 kcal

Step 2: Protein: 112g-60g = 52 g protein remaining / 7g per trade = want 7.4 exchanges (rounding to eight):
2 oz beef jerky: 0g cho, 28g protein, 8g fats, 180 kcal
4tbsp peanut butter: 0g CHO, 28g protein, 32g fats, 400 kcal
New whole after including protein: 795g CHO, 116g protein, 99.5g fats, 4833 kcal

Step 3: Fats: 228g – 99.5g = 128.5g / 5g per trade: 25.7 modifications wanted (rounding to 26):
Combined Tree Nuts:
Walnuts (16 halves): 20g fats, 180 kcal
Almonds (18 nuts): 15g fats, 135 kcal
Cashews (18 nuts): 15g fats, 135 kcal
Pecans: (16 halves): 20g fats, 180 kcal
Olive oil (3 tbps): 45g fats, 405 kcal
Sunflower seeds (3 tbsp): 15g fats, 135 kcal
New whole after including fats: 795g CHO, 116g protein, 229.5g fats, 6003 kcal.

Whole for this meal plan in accordance with/utilizing trade system: 795g CHO, 116g protein, 229.5g fats, 6003 kcal.
(**These macros wouldn’t be 100% correct, because the trade system fails to account for any of the protein within the nuts/seeds).

Damaged down into meals:
*Frequent snacks (each hour or so) will likely be eaten whereas mountaineering relatively than large meals. This results in extra environment friendly mountaineering*
2 cups oatmeal: 60g CHO, 12g protein, 1g fats, 320 kcal
2 tbsp peanut butter: 14g protein, 16g fats, 200 kcal
2 tbsp maple syrup/honey: 30 g CHO, 140 kcal
1/2 cup dried blended fruit: 60g CHO, 240 kcal
2oz potato chips: 30g CHO, 6g protein, 12 fats, 340 kcal
2oz beef jerky: 28g protein, 8g fats, 180 kcal
32 oz gatorade: 60 g CHO, 280 kcal
2 chewy fruit snacks: 30g CHO, 140 kcal

2 1/3 cup pasta: 105 g CHO, 21 G protein, 7g fats, 560 kcal
3 tbsp olive oil: 45g fats, 405 kcal
32 oz gatorade: 60 g CHO, 280 kcal
2 sm choc chip cookies: 15g CHO, 10g fats, 160 kcal

Snacks eaten all through the day:
1 lg packaged muffin: 60g CHO, 12.5g fats, 393 kcal
1 pkg cheese sandwich crackers (6 whole): 30g CHO, 6g protein, 12 g fats, 250 kcal
2 granola bars: 30g CHO, 6g protein, 2g fats, 160 kcal.
5 lg medjool dates: 75g CHO, 300 kcal
2 chewy fruit snacks: 30g CHO, 140 kcal
Graham crackers (9 squares): 45g CHO, 9g protein, 3g fats, 240 kcal
With 2 tbsp peanut butter: 14g protein, 16g fats, 200 kcal
1/2 cup dried blended fruit: 60g CHO, 240 kcal
3 laborious candies: 15g CHO, 70 kcal
Sunflower seeds (3 tbsp): 15g fats, 135 kcal
Combined tree nuts:
16 walnut halves: 20g fats, 180 kcal
16 pecan halves: 20g fats, 180 kcal
18 cashews: 15g fats, 135 kcal
18 almonds: 15g fats, 135 kcal

Some further issues to remember for this sort of athlete:
Contemporary fruit and greens don’t preserve effectively or include many energy, so most thru-hikers don’t base their weight loss plan round them. They’re principally eaten when in cities or instantly after resupplying or leaving a city.
Via-hiking burns an incredible quantity of energy, which varies day-to-day.
Frequent meals eaten by hikers embrace: granola, protein bars, nuts, path combine, dried fruits, freeze dried/dehydrated meals, powdered milk, packaged pasta/rice meals that may be cooked on a small moveable range, oats, bagels/tortillas, nut butters, jerky/dried meats, packages of tuna, crackers, mac and cheese, and so on.
Supplemental meals gadgets typically used: Spices, salt tablets, multivitamin, olive oil (could be added to meals to extend whole kcal, I’ve even heard of hikers taking swigs of it to maintain the energy up). I’d advocate a multivitamin to assist keep total well being, particularly since this particular person’s weight loss plan goes to be missing and inconsistent with recent fruits, greens, entire grains, and dairy merchandise. With extreme sweating and water consumption within the excessive warmth and humidity of the mid-east states in the summertime, hyponatremia may very well be a possible concern. I’d have him preserve electrolyte tablets in his bag, simply in case he have been to expire of gatorade powder.
Enjoyable Reality: Close to Harpers Ferry (the midway level for a through hike), it’s custom for thru-hikers to try to eat a half-gallon of ice cream in a single sitting. Most succeed. Hiker starvation is actual!