Save This Event For Later Kids on Bikes Spring 2014 MTB Edition Mason, OH, Fri Apr 25 - Fri Jun 6, 2014 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: 4188 Irwin Simpson Rd., Mason, OH 45040 Presented by Cincinnati Cyclocross Lionhearts Jr. Racing USA Cycling Permit # 2014-1046 This is a past event. If you wish to see the details for this past event click "Continue" below. If you are looking for a current event, please search the event calendar .