Global Fat Bike Day 2023

Global Fat Bike Day 2025


Join us on December 6th for our annual GLOBAL FAT BIKE DAY 2025 group ride and tailgate party. Be part of the Grand Unveiling of the new Badlands Purple Trail at Spring Mill Pond (Island Lake Rec Area).

Bring your fat bike, plus bike or whatever you want to ride, just come and join in the fun.

Also bring your favorite post-ride dish to pass and favorite 6-pack to share, beer or soda. We will have coolers there to keep your sauce on ice.

Arrive at 9:45
Group photo at 10:00
Group ride at 10:05
Or have your own adventure.


  • Rouge Park

    Rouge Park

    Library > Trails > Rouge Park

  • Curious about your membership?

    Curious about your membership?

    The MMBA Metro South chapter has joined the IMBA chapter program and adopted a new name, but we’re still the same people, doing the same work. If you were a member of the MMBA, your membership should have transferred to our new IMBA chapter.  Need to renew your membership or join? Sign up for your…

  • FAQ Volunteers

    FAQ Volunteers

    Our volunteers contribute in a variety of ways, from simply trimming branches, to organizing fund raising events with hundreds of participants, to designing some of the best trails in America. We track volunteer work hours and reward our outstanding volunteers at the end of each year.