Last Vertical Mile Date Change to April 13. Post author:peter Post published:March 23, 2013 Post category:News The Last Vertical Mile of our winter season will be changed from April 6th to April 13, to accommodate anyone who would like to participate in the YMCA’s Spin for Kids on April 6th. You Might Also Like Open Water Swim Program April 22, 2014 Open Water swim starts May 23. Early morning Friday ride starts May 25 May 23, 2012 Change in Monday Bike Rides – starts Monday June 17th June 16, 2013