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Advocating for trails and mountain biking in Boulder, Colorado since 1991
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BMA has a ton of cool stuff happening all season.
Sign up for a trail building event to put your muscle to good use.
Join us on a weekly group ride.
Learn how to take your mountain biking skills to the next level by attending one of BMA’s skills clinics.
See the other fun stuff we’re planning!
Upcoming Events
Sun
25
CAMPING WEEKEND: Winter Park
Thursday, July 22 - Sunday, July 25
Tue
27
TRAIL BUILDING: Picture Rock
Tuesday, July 27 @ 5:15 pm - 8:00 pm
Tue
27
RIDE: Gurlz Ride
Tuesday, July 27 @ 6:00 pm - 8:00 pm
All The News…
Toll Trail Update
Boulder County Parks & Open Space’s Justin Atherton-Wood gave a presentation at the June 24 POSAC Meeting on the new Toll Trail that will connect West Mag to Jenny Creek.
BMA Business Partners Explore Possible New Betasso Connection
On June 8, BMA Business Partners got together for an exploratory hike from the Boulder Adventure Lodge to Betasso to see the opportunity for a new multi-use trail connection.
Riding Maryland Mountain
The new trail system at Maryland Mountain Quartz Valley Park opened in May of 2021 and is ready for riding!
Join the BMA Community
Join the BMA Community