By Susan Paul on
If you want to avoid hitting the wall, take a look at your nutrition, training, and race plan.
"The Bonk" or "hitting the wall" as it is also called, refers to depletion of the glycogen stores of the liver and muscles. Because glycogen supplies the necessary fuel for energy production, runners experience sudden fatigue and a loss of energy. It is often accompanied by muscle cramps, GI distress, ...