GRIZZLY 100 & BIG BEAR MTB GRAN FONDO The 2017 Big Bear Mountain Bike Gran Fondo/Grizzly 100 is a wrap! It was a fantastic event with perfect weather and trail conditions. Results are posted at 2017 Results. We are looking forward to our next event September 29th 2018! Click here to register on Active Click here to register on BikeReg News & Updates 2018 Grizzly 100 & Big Bear Mountain Bike Gran Fondo Event Registration Opens January 1st! 2017 Big Bear MTB Gran Fondo/Grizzly 100 Results Rider Bags! Aid Station Menu Two Free Tickets to the CAVE Saturday Night for Each Rider! Online Registration Closes at Noon on Friday! Distances to Aid Stations Event Schedule / Rider Information Cannondale & Specialized Demo Days! September 29 & 30 Volunteers Needed!