In this heat, we need to be mindful of dehydration. A word or two about dehydration from an unknown source, but shared by Mr Codyre in Room 16...
Speaking of dehydration, water is just as important to unlocking your game power as food. When you sweat during exercise, it's easy to become overheated, headachy, and worn out — especially in hot or humid weather. Even mild dehydration can affect an athlete's physical and mental performance.
There's no one-size-fits-all formula for how much water to drink. How much fluid each person needs depends on the individual's age, size, level of physical activity, and environmental temperature.
Experts recommend that athletes drink before and after exercise as well as every 15 to 20 minutes during exercise. Don't wait until you feel thirsty, because thirst is a sign that your body has needed liquids for a while. But don't force yourself to drink more fluids than you may need either. It's hard to run when there's a lot of water sloshing around in your stomach!
If you like the taste of sports drinks better than regular water, then it's OK to drink them. But it's important to know that a sports drink is really no better for you than water unless you are exercising for more than 60 to 90 minutes or in really hot weather. The additional carbohydrates and electrolytes may improve performance in these conditions, but otherwise your body will do just as well with water.
Avoid drinking carbonated drinks or juice because they could give you a stomachache while you're competing.