Save This Event For Later Canceled due to weather. NIMBA Titan Tough 2018 Mountain Bike Series - Bonneyville Mill XC Bristol, IN, Sun May 20, 2018 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: 53373 County Road 131, Bristol, IN 46660 Presented by Northern Indiana Mountain Bike Association This is a past event. If you wish to see the details for this event click, "Continue" below. If you are looking for a current event, please search the event calendar .