USAF PJ

military physical ability and stamina test http://www.specialtactics.com/past.shtml trying to set new record on times and would like to know if anyone has advise from their experience on how to prepare yourself mentally and physically. I am trying exceed all of these minumum requirements by outstanding achievements. Anyways if you have any tricks please feel free to share.

I have been stretching my inner thys by doing the splits, but I am stuck at about 2 inches away from the ground. I was wondering if anyone knows a better way to break this or speed it along. Also any other streches that you don't normally hear about that someone would like to share would be good.