Should I Carbo Load Before the Marathon?

Some of our Runners!
 
Well we know that a lot of  folk from the club like to run and with the Coffs Harbour Half Marathon coming up on September 25th & the Woolgoolga Fun Run on October 8th this might be a question on your mind “should I consume lots of carbohydrates before a marathon?”.  We hope the following information gives you some insight.  
Oh, and good luck on your next marathon.
Question: Should I Carbo Load Before the Marathon?
Is carbo loading just a myth? Will eating more carbohydrates the day before the marathon help my endurance?
Answer: The expert physician panel at the 2005 Marathon Directors College said carbohydrate loading has been dropped by most serious marathoners. You should eat a normal diet with 60-70% carbohydrates the week before the marathon, but do not increase your total calories.

The Old Carbo-Loading Theory

The older regimen had endurance athletes go on a low carb diet for 3 days, followed by a 70% carb diet for 3 days. This supposedly increased the glycogen in the muscles. However, it was found that eating a moderate 50% carb diet followed by 3 days of a 70% carb diet increased the glycogen just as much. And simply staying on a 50% carb diet all week still increased the glycogen, although not as much. There was no performance difference between any of these groups.

Dangers of the Carbo-Loading Pasta Party

The worst thing you can do for your marathon comfort is to load up huge plates of pasta and salad and high-fat salad dressing the night before the marathon. As one expert commented, “Constipation is unknown among marathon participants.” You don’t want the extra weight in your digestive tract the next morning. You don’t want any roughage, such as from the salad. You don’t want the extra weight, period. If you have been eating a balanced diet the week before the marathon, you have already loaded your muscles with glycogen.

How to Eat the Week Before the Marathon

As you taper your activity in the week before the marathon, you should eat a balanced diet with 60-70% carbohydrates and not overeat or undereat. If you have been on a weight loss diet, increase your calories to match your basal metabolic rate. For women, this will be 1800-2000 calories per day.

Two Days Before the Marathon

If you want a traditional pasta party, the time to do it is 2 nights before the marathon. Do not overeat. Reduce caffeine and alcohol consumption. Drink plenty of water. A giant bowl of pasta and a huge salad with lots of roughage are not recommended – you need moderation.

One Day Before the Marathon

Eliminate any high fiber foods and foods that cause gas, such as beans, broccoli, bran cereals, etc. If you are lactose intolerant, eliminate milk products. If spicy foods speed up your gut, eliminate them. Stick with low-residue foods and eat only enough to satisfy your basal metabolism. Eliminate alcohol and reduce caffeine to the bare minimum.

Morning of the Marathon

Many marathoners can’t eat anything before the starting gun. Whatever you choose for breakfast should be bland and high in carbohydrates and easy to digest. If you must have some coffee, have as little as possible. Drink a large glass of water 1-2 hours before the start and have nothing more to drink until the starting gun. That starts you off well-hydrated but gives you enough time to eliminate any extra. 

 
By Wendy Bumgardner

Wendy Bumgardner is a certified marathon coach (RRCA). She is an avid walker who keeps abreast of the latest research and information on walking for weight loss, fitness and sport.
 

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