Close You are viewing a single instance of a recurring appointment.  View the series. U. Valley Vixens Roller Derby Subject : U. Valley Vixens Roller Derby Location : Hall Date : Sunday, April 15, 2018 from 4:00 PM - 6:00 PM  GMT -07:00 US/Canada Mountain Organizer : calendars@montrosecounty.net Repeats : Every Sunday. End by Apr 29, 2018. Effective Jan 14, 2018.