A helpful video from the Storm Riders, giving some fitness tips to help you be in shape and stay in the game... "In this video Chris, S07, goes over some tips that will help you improve your own fitness for airsoft. These exercises can be done by anyone, at any fitness level, and will help strengthen your body to improve your performance, as well as to avoid injury on the field.
Additionally, you should consider wearing your airsoft gear while doing these exercises, assuming you are working out in a private place. It will help you get used to your kit more and 'train like you fight.'"