Just got done having a blast.
Step 1: Wear these "shoes" http://i.imgur.com/JiWrE.jpg
Yes, they do look THAT awesome.
Step 2: Run down a long steep clearing in the forest as fast as you can until it turns flat.
Extra points for leaping over something that will f you up, if its barely bright enough to see, long drops, pouring rain and mudsliding.