It is very important to make sure where appropriate, that food and fluid is ingested during exercise, in both training and competition. Generally, the longer the event, the greater the amount of carbohydrate that is utilized. As a rule of thumb, if your sport or training is longer than an hour, you may benefit from consuming some carbohydrates during sport in addition to fluid.
Recovering well after an exercise session may be a challenge. Recovery will be most effective during the first few hours after the exercise. The aims are to replace muscle and liver glycogen stores, replace fluid and electrolytes lost in sweat and repair the damage caused by the exercise. The best fuel to use is carbohydrate foods, as these foods will replace the glycogen stores depleted during the activity.