Mistake #5: Trying a new fueling strategy on race day.
You’ve heard it before but we’ll repeat it again: Don’t do anything new on race day. If it’s hot, you may be tempted to grab additional fuel and fluid from aid stations that your body isn’t used to. “The body must be trained to absorb and transport carbohydrate and fluids,” Austin says. “Try to avoid taking in carbohydrate sources and extra fluid that the body is not use to processing—use what you have trained on and hopefully you have found the best solution well in advance of the race!”