Over 100 participants stripped down and buckled up to try to break the world record for most naked roller coaster-riders in Essex, Britain, this past weekend. The event was held in aid of the Bosom Pals breast cancer appeal, beating a similar attempt in 2004 by 32 naked riders.

Sure it's no nude snorkeling attempt, but if nothing else you've got to admire their willingness to face gravity's effects on all their unfettered parts. Keep reading for more (sort of unpleasant, probably NSFW) photos of the event.