I'm sure if you made a (perhaps public) fuss about their lack of security in the locker rooms, they'd be willing to cancel with no penalties. You could probably

I'm sure if you made a (perhaps public) fuss about their lack of security in the locker rooms, they'd be willing to cancel with no penalties. You could probably also argue that such a failure constitutes a violation of their end of the agreement, depending on the wording. Don't be a doormat, dude.