I am on Irulan's soapbox about not cancelling. I have limited trail experience but I have seen a few spots at my favorite trail with deep ruts, DH said they are from riding in the mud. These aren't a spot where it would be worn down from being the best line, it should be hard packed. The local clubs here are pretty adamant about not riding if the trail is muddy, of course many of our trails they maintain. Completely irresponsible and dangerous to have you ride in the mud.