The OSU Quidditch Team
As we were wrapping up on the Oval, we saw some rings standing atop poles, and people running between them with sticks between their legs. It was the OSU Quidditch team! They were extremely friendly, and very eager to talk about the game.
I assumed it was a localized, fairly tongue-in-cheek event, but they told me they'd had tournaments in Indiana and Virginia, and a world tournament was scheduled for later in the year in Florida. Clearly this is a serious sport!
I captured a little of the action on video: