Nutrition during century ride, does this look excessive?
I will be doing my first century ride next month. So far my longest ride has been 80 miles and a few 60-70 milers. During these rides I've consumed about 3 GU packs and stopped along the way for a latte and scone. I came across the GU website where they talk about nutrition during a century ride https://guenergy.com/nutrition-plan/100mi-2/ and looking at the amount of stuff they are recommending it seems a bit excessive. Do I really need to eat all of this or will I be OK with 5-6 GU energy packs, electrolyte (Skratch) in my water bottles and an occasional drink/food at a rest stop?
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That's about 1,500kcal, which is in no way excessive. I don't think I've ever done an imperial century where my measured output was less than 3,000kJ, so I'd still be plenty hungry after.
Their recommendations are probably smarter than any feed strategy I've used during my solo centuries, where I always either end up eating far too little or far too much. |
I agree with ~1500 calories, in whatever form one likes. But maybe less would be fine for you, considering your experiences. I think they're way out of line with the sodium. I've never taken over 1g, usually more like half that. In general, I think people have a better ride if they're fueled at about half their burn.
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The most you can take up is about 250-300 calories an hour depending on thr glucose:fructose ratio so aim for around that amt for each hour you plan on being out there
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Clicking around at the different times was good for a chuckle - at least 9 different GU products on recommendation. Does seem an excessive amount of "stuff" but too much food. With all the gels and pills you're putting something in your mouth every 15-20 minutes. That's too much for me by quite a bit, I know I can't stomach 6 gels at all during any length ride to say nothing of the rest of it. If you've successfully done a few 60-70 miles and an 80 miler you're in a better position to judge what works for you than a blanket recommendation from a nutrition manufacturing and marketing firm. Latte & scone > sports candy science diet.
Do I really need to eat all of this or will I be OK with 5-6 GU energy packs, electrolyte (Skratch) in my water bottles and an occasional drink/food at a rest stop? |
I bring 250 calories an hour on long rides, so 1,500 calories for a 6 hour century sounds right. It actual practice I am almost never able to eat that much.
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If you've done 80 miles successfully, then you just need to up whatever you used for that by 20-25%. Don't overthink it, and real food is fine.
I only break out the high tech slurps if it's really hot or I find myself in the bonk zone. |
I'm not a big believer in manufactured sports nutrition for anything other than serious training or competition. I do a lot of recreational/fitness/charity rides of 75-100 miles and don't use any sports specific nutrition, except for the occasional diluted Powerade. I usually have about a 500 kcal meal an hour or two before starting out, then figure about 10 kcal per mile during the ride for rides over 2 hours. Water needs depend on weather and terrain but I usually keep one liter of dilute Powerade or homemade lemon or limeade and one bottle of water with just a pinch of Morton Lite Salt which is half potassium chloride/half sodium chloride. Oatmeal raisin cookies or fruit and nut granola bars provide simple and complex carbs with appropriate amounts of fat to prevent bonking.
I don't buy the need for special recovery drinks within a recovery window, either. A light carb snack after the ride, followed by a normal meal after I've had some time to cool down, works just fine. Be very wary of sports nutrition company hype and locker room bro-science. Also avoid the pitfall of thinking that you need to eat like a pro when you don't really train or compete like a pro. Now, if you're actually a pro or truly train at an advanced amateur to pro level, then you nutrition needs might be different. You seem to have a fair idea of what works for 70-80 miles for you already so listen to Zowie and just carry a little more for that last 20 miles. It's not rocket surgery, despite what the full page ads in Bicycling magazine tell you. |
The better one plans and the better one executes, the more fun the ride. The level at which one rides is immaterial and a put-down at best. Our 143 y.o. tandem team has Stoker's Garmin timer set to 15' to prompt us to eat and drink on long rides, where we drink plain water and "eat" only our homemade maltodextrim and whey protein mix. On short rides, up to maybe 40 miles, we each take a bottle of sports drink, maybe drink half of it. The longer one is on the bike, the more important proper nutrition becomes. Usually that realization comes too late.
Funny quote from a friend, "RAAM is not a bike race. It's an eating contest." |
By the way @Carbonfiberboy, your bike-food recipe has gotten me through 1,000's of km's of brevets. It's been a game-changer for me.
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have a link
Originally Posted by kingston
(Post 20907978)
By the way @Carbonfiberboy, your bike-food recipe has gotten me through 1,000's of km's of brevets. It's been a game-changer for me.
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Originally Posted by redlude97
(Post 20904178)
The most you can take up is about 250-300 calories an hour depending on thr glucose:fructose ratio so aim for around that amt for each hour you plan on being out there
As was said, long events are an eating contest done on a bike! |
Originally Posted by Carbonfiberboy
(Post 20907867)
The better one plans and the better one executes, the more fun the ride. The level at which one rides is immaterial and a put-down at best. Our 143 y.o. tandem team has Stoker's Garmin timer set to 15' to prompt us to eat and drink on long rides, where we drink plain water and "eat" only our homemade maltodextrim and whey protein mix. On short rides, up to maybe 40 miles, we each take a bottle of sports drink, maybe drink half of it. The longer one is on the bike, the more important proper nutrition becomes. Usually that realization comes too late.
Funny quote from a friend, "RAAM is not a bike race. It's an eating contest." To the original poster, Reiterating what others have said, you have to eat ahead of your hunger. I also enjoy Gu packets, but they get to be expensive on longer rides, plus like others say about four is my limit before I get sick of them. Also those little packages aren't environmentally friendly and unnecessary if you're not racing. I have found success in mixing Maltodextrim and protein powder in a water bottle that I stuck a shaker spring into. The mixture at a "pancake batter" consistency, then also consuming some beef jerky and stopping for a light "real food" snack halfway through. |
Here's the recipie
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I just drink it like a normal water bottle. The taste and consistency is ok. It's much better than not eating on the bike which is what I did before.
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Originally Posted by srode1
(Post 20908853)
That's not really correct, I consume 360 calories / hour on rides 6 hours and up without any problems, 25 oz bottle with 270 calories every 45 minutes of riding time. I know one cyclist that consumes over 400 calories/hour in long races. You can train your gut to absorb more than you can without training. Pace and ambient temperature have an impact on how much you can digest so it's a good idea to learn how to balance pace and consumption with temperature. Bottom line, very much a personal thing with several factors influencing what you can consume, same goes with water.
As was said, long events are an eating contest done on a bike! |
Originally Posted by redlude97
(Post 20909236)
Consume =/= take up ie absorb. You are limited by the kinetics of the glucose and fructose receptors in you intestine. This has been well studied and is the basis for products like sis beta fuel and maurten. You can train yourself to tolerate this level the same way we can eat 1000 calories in single meal like a whole pizza but it doesnt mean its going to all translate to energy useful on the bike.
Here's an excerpt from the link above. I can say from personal experience with Ultra Distance races adding calories beyond 300/hr helps my performance. Calories consumed are only valuable if they can actually be absorbed by your gut. Over-consuming calories generally leads to excess food, fluid and gas in the gut, which can lead to cramping, nausea, stomach shutdown and an early end to your race. This article is one of the best summaries on what most people can generally actually absorb per hour, written by Asker Jeukendrup, a leading exercise physiologist and sports nutritionist. In a nutshell, most people can absorb around 60 grams of a single type of carbohydrates per hour, which translates to around 240 cals/hr (4 cals/gram). If you mix multiple sources (e.g. maltodexterin and fructose), absorption rates can often reach 90 grams of carbohydrates per hour (or around 360 cals/hr). Besides the quantity of carbohydrates, other factors impact absorption as well, such as:
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Eating while out on a typical century on open roads ≠ eating while in a competitive event of 100+ miles.
I spend most of a century split between Z1 and Z2. I can eat a lot and not worry about cramping or gas, because I'm simply not taxing the system. I've also conditioned myself to eat pretty much anything during a ride... short of bell peppers. Bell peppers and cycling for me, they do not get along. At all. I rode a 78-mile fairly easy loop last week, and lunch (at around mile 60) was a cheese and jalapeno croissant and an iced tea. I was initially worried about the jalapenos, but they cooperated. |
Originally Posted by srode1
(Post 20909266)
A model for 4-24 hour cycling events... a.k.a., don't run out of steam.... ? Tri2Max Coaching LLC
Here's an excerpt from the link above. I can say from personal experience with Ultra Distance races adding calories beyond 300/hr helps my performance. Calories consumed are only valuable if they can actually be absorbed by your gut. Over-consuming calories generally leads to excess food, fluid and gas in the gut, which can lead to cramping, nausea, stomach shutdown and an early end to your race. This article is one of the best summaries on what most people can generally actually absorb per hour, written by Asker Jeukendrup, a leading exercise physiologist and sports nutritionist. In a nutshell, most people can absorb around 60 grams of a single type of carbohydrates per hour, which translates to around 240 cals/hr (4 cals/gram). If you mix multiple sources (e.g. maltodexterin and fructose), absorption rates can often reach 90 grams of carbohydrates per hour (or around 360 cals/hr). Besides the quantity of carbohydrates, other factors impact absorption as well, such as:
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Originally Posted by GrainBrain
(Post 20908893)
I'm in love with Maltodextrim, having used the Hammer brand. What's your preferred brand? I'm curious because I'm about to buy for the upcoming season.
To the original poster, Reiterating what others have said, you have to eat ahead of your hunger. I also enjoy Gu packets, but they get to be expensive on longer rides, plus like others say about four is my limit before I get sick of them. Also those little packages aren't environmentally friendly and unnecessary if you're not racing. I have found success in mixing Maltodextrim and protein powder in a water bottle that I stuck a shaker spring into. The mixture at a "pancake batter" consistency, then also consuming some beef jerky and stopping for a light "real food" snack halfway through. |
Originally Posted by BonkonFleet
(Post 20909003)
Do you chug the whole bottle at once ? Whey protein powder on a ride sounds like about the last thing i'd want.
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Originally Posted by redlude97
(Post 20904178)
The most you can take up is about 250-300 calories an hour depending on thr glucose:fructose ratio so aim for around that amt for each hour you plan on being out there
Originally Posted by redlude97
(Post 20909236)
Consume =/= take up ie absorb. You are limited by the kinetics of the glucose and fructose receptors in you intestine. This has been well studied and is the basis for products like sis beta fuel and maurten. You can train yourself to tolerate this level the same way we can eat 1000 calories in single meal like a whole pizza but it doesnt mean its going to all translate to energy useful on the bike.
Originally Posted by redlude97
(Post 20909314)
That pretty much sums up what I stated. Again this has been known for almost a decade and was the consensus statement from the nestle nutrition consortium ~5 years ago, and is the basis for beta fuel used by froome to win the giro last year which is 320 cals.
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Originally Posted by srode1
(Post 20909266)
<snip>
Calories consumed are only valuable if they can actually be absorbed by your gut. Over-consuming calories generally leads to excess food, fluid and gas in the gut, which can lead to cramping, nausea, stomach shutdown and an early end to your race.<snip> Just some extra emphasis on that "drink water with your nutrition" comment. There was a BF poster who had a hamburger at a rest stop and 5 miles later was sitting on a curb with low blood sugar. What I'm saying: eat little, eat often. I put the Endurolytes in a Hammer coin purse and tuck it up my shorts leg. |
Originally Posted by srode1
(Post 20909266)
A model for 4-24 hour cycling events... a.k.a., don't run out of steam.... ? Tri2Max Coaching LLC
Here's an excerpt from the link above. I can say from personal experience with Ultra Distance races adding calories beyond 300/hr helps my performance. Calories consumed are only valuable if they can actually be absorbed by your gut. Over-consuming calories generally leads to excess food, fluid and gas in the gut, which can lead to cramping, nausea, stomach shutdown and an early end to your race. This article is one of the best summaries on what most people can generally actually absorb per hour, written by Asker Jeukendrup, a leading exercise physiologist and sports nutritionist. In a nutshell, most people can absorb around 60 grams of a single type of carbohydrates per hour, which translates to around 240 cals/hr (4 cals/gram). If you mix multiple sources (e.g. maltodexterin and fructose), absorption rates can often reach 90 grams of carbohydrates per hour (or around 360 cals/hr). Besides the quantity of carbohydrates, other factors impact absorption as well, such as:
Originally Posted by redlude97
(Post 20904178)
The most you can take up is about 250-300 calories an hour depending on thr glucose:fructose ratio so aim for around that amt for each hour you plan on being out there
Originally Posted by srode1
(Post 20909391)
I was commenting on your saying that a person can't consume more than 300/hour - and then absorb. Perhaps I misinterpreted what you were saying. This is the point from the article that contradicts a 300 cal/hr limit for absorption. "If you mix multiple sources (e.g. maltodexterin and fructose), absorption rates can often reach 90 grams of carbohydrates per hour (or around 360 cals/hr)".
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