contest 1. Moving Flip Tricks

approach the tree and do any of the following for the points deemed:

5 points: 360 flip, hardflip, impossible
4 points: folly to treeplant fingerflip, 180 kickflip, any 180 variable
3 points:

contest 2. Boardslides/Grinds

approach the curved bench and do any of the following:

5 points: long boardslide (more than 5 feet or 1/4 circle)
4 points:

contest 3. Flatland Radius

Within the radius of a drawn circle on the ground, perform tricks in sequence within that radius.

For some more ideas on what to do, see this video on Rodney Mullen.