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  Carbohydrate loading
  During the marathon day
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  DIET
       
  Feeding With Carbohydrate During Your Ride
There is only enough space here to discuss Feeding With Carbohydrate During Your Marathon Ride. A 75kg (165lb) rider would typically start exercise with 450g of carbohydrate (glycogen) stored in his body. When he is riding that athlete could absorb from his food and drink an additional 75g of carbohydrate per hour. How much difference would that extra carbohydrate make to his performance? During a 5-hour endurance ride, it will increase his total available carbohydrate from 450g to 825g. That’s an 80% increase!

The maximum amount of carbohydrate that your body can absorb during endurance exercise will depend on your body weight. The table below is a good starting point. Remember that although you can consume (swallow) a lot more carbohydrate than the amount shown, any excess will just sit in your stomach waiting to be absorbed (not good). Be conservative with the amount of carbohydrate you consume and take small amounts often. To consume 75g of carbohydrate per hour, you could sip 500ml of EnergySource (with 50g of carb's) and take one EnergyGel (with 25g of carb's). 50g + 25g = 75g.

Remember: your muscles empty your carbohydrate tank faster than you can fill it. As soon as you start exercise, you start to empty your fuel tank and therefore make room for more to be added. For a substantial performance gain, you should start replacing your carbohydrate as soon as you start your ride. It always seems a lot of hassle eating / drinking early in an event, especially when you don’t feel tired, but remember that you are re-fuelling for later in the event.

Body weight
55kg (120lbs)
60kg (130lbs)
65kg (145lbs)
70kg (155lbs)
75kg (165lbs)
80kg (175lbs)
85kg (185lbs)
Carbs Req. Per Hour
55g
60g
65g
70g
75g
80g
85g

The following program is an ideal nutrition strategy that will provide you with approximately 60grams of complex carb’s per hour and enough fluid to maintain your hydration at the right levels.
  DIET
TransWales
GORE BIKE WEAR™ TransWales 2010 - the 7 day MTB stage Challenge - 14-21st August 2010. For details and entry forms please go to www.mtbtransuk.co.uk

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