Australian...Quidditch?

[Damnoz]

After some research, this looks like a combination of dodgeball, hide and go seek and European Handball, all happening at the same time... Hey if it gets kids running around outside I won't judge.
Also this--->

The Alice Springs Regatta is a bit odd.

Firstly, everyone makes their own boats, and most of them are very impractical, totally incapable of functioning on water. This isn't such an issue, because:

Secondly, there's no water. People pick their boats and run to the finish line carryong them.

http://www.australianexplorer.com/events/9001040/profile.htm

Cap:

Bath water.

Nice find! What else can we get?