Bonking, or "hitting the wall," is something most endurance athletes dread. If you've ever hit the wall during training or competition, it's definitely something you don't want to experience a second time. Any athlete can bonk if they run out of energy (glucose and glycogen) to keep working at a high intensity.
The bonk is unmistakable. The feeling of severe weakness, fatigue, confusion, and disorientation is something you will not want to experience more than once.
There are some things you can do to avoid bonking.
First, it's important to learn exactly what you are physically capable of in a variety of conditions. This comes from continual practice, training and paying attention to your body and any warning signs that things are just a bit off.
Avoiding the bonk also requires learning more about the common signs and symptoms of the bonk, and knowling what to do if you notice them in yourself or your training partner. For that, read on...