...you keep your hands close to your head to fend off crocodiles. Although in your case, maybe you should have kept your hands someplace else.
I have too many smartass comments to pick just one.
"We dropped our bikes at the trail junction and headed northwest into the woods towards CP14, on an adjacent spur. After a tough, brushy ascent we arrived at the top of the spur and found a manned CP and an Olympic swimming pool. We were informed that if any member of our team could execute a perfect flip-turn, we would receive a 2 hr time bonus"
Now I have to learn how to swim...
And re: Bash's comment: Protect hands or, um...you know. Decisions decisions