FAT-BIKE.COM A Resource for Fans of Fat-Bikes! Home Main. Home; Event Calendar. ... Fat Bike World Championships – Crested Butte, CO. By Gomez on November 5, 2017 in. A little news update from Dave! 📣🎥📰 Crested Butte Mountain Bike Association C.B.M.B.A. Borealis Fat Bikes Upslope Brewing Company #mtcrestedbutte Fat Bike World Championships 8K views · December 31, 2018 Just so we are clear, this story is about Crested Butte Fat Bike World Championships, as in SSCXWC and SSWC and #fatbikeshit. The acronyms UCI and USAC had nothing to do with the super-fat-tire race that went down last weekend high in the Colorado mountains. Jan 28, 2019 · The Fat Bike Worlds Crested Butte 2019 happened thanks to the hard work by the ever progressive Crested Butte/Mt. Crested Butte Chamber of Commerce. Check out the results for all the races here and for more general information on the 4th Annual Borealis Fat Bike World Championships check out the Chamber of Commerce’s website here.