Especially good for team building, a corporate event or if you're a member of a large group, why not plan your own Olympics or a Super Sports day/weekend complete with scoreboards and trophies.

It does not necessarily have to be sports based, you could pit your wits against each other in Video Games - Guitar Hero, Wii Sports, or Board Games - Scrabble, Chess etc or any other weird and wacky things you can come up with.