A few people had asked me about the basic nutrition intake plan during a 70.3 or 140.6 race.
Below is the information that I used as a reference. Hope this will help.
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Now that your rides and runs have been getting longer it is important that we begin to develop a nutritional plan to use in training and also for race day. Nutrition is one of the key elements to fine tune before the as it can have a huge impact on how your race day develops. What I suggest is that we start with these guidelines for caloric consumption and type of calories to see how your body feels and digests the food during training. One thing to keep in mind is to make sure that we try out everything in training before race day; you don’t want to try something new during the race.
On the course there will be Gu, powerbars, and Gatorade Endurance Formula sports drink. It would be a good idea to use these items periodically in training to see if you can easily digest the food and it does not upset your stomach. You don’t have to use these items everyday in training; in fact it would be a good idea to switch up different brands so that come race day you are not totally sick of the product. We do however want to use exactly the products a few times during training that they will have on the course.
Carbohydrate is the key nutrient that your body uses during exercise. While there have been a few studies recently that show drinks with protein may improve performance, my experience is that they can cause stomach upset, so I would steer clear. Also make sure to avoid foods with fat during exercise as like protein, fat is also difficult to digest.
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I recommend that during training that you try to get in about 300 – 400 calories per hour on the bike from a combination of food and liquid calories. To start use the following guidelines for rides over 90 minutes and see how you feel.
Consumption Per Hour
• .75 to 1 liter of sports drink per hour = 100 - 200 calories. Make sure to drink every 15
minutes or so rather than consuming large amounts at once.
• 2 gels per hour = 200calories. In the middle of a longer ride it is good to substitute in a
powerbar or Clif bar for some of the gels as they are a bit more substantial. Like the
sports drink consumption, try to eat a little bit at a time. Eating every 20 to 30 minutes
make the digestion much easier.
• ½ liter of water per hour.
This is ideally the type of menu that we will use on race day as it is simple and easy to digest. For training you might want to substitute in more Clif bars or powerbars as Gu gets expensive if you are eating 20 to 30 a week.
**One crucial thing to keep in mind. Whenever you are eating make, sure to drink water with food rather than sports drink. Having too high of a concentration of carbohydrates in your stomach can really slow down digestion and cause problem. This applies to both the bike and the run.
Run
It is more difficult for your body to digest food on the run compared to the bike. As a start I would shoot for around 200 - 300 calories per hour. Use these guidelines on runs over 60 minutes.
Consumption Per Hour
• .5 to .75 liter of sports drink per hour = 100 to 150 calories.
• 1 or 2 gels per hour = 100 to 200 calories. You can also substitute in bars during
training.
• .5 liter of water per hours
As with the bike make sure to space out the calories evenly throughout the hour.
Salt Tablets
Using salt tablets during training and racing is a very individual thing and their use depends how much you sweat and the sodium concentration in your sweat. Once the weather gets warmer pay attention to how much salt you have on your clothes. If you notice a lot of salt you might have to start using salt tablets for longer workouts and during race day. A good product is lavasalts http://www.lavagel.com/salts.htm but there are others as well. If you notice a lot of salt on your clothes or skin please let me know and we can incorporate salt tablets into your plan.