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Advocating for trails and mountain biking in Boulder, Colorado since 1991

COVID-19 AND MOUNTAIN BIKE SAFETY

BMA group rides, parties and other social events are canceled or postponed until such time as these group activities are deemed safe again.

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Upcoming Events

Wed 08

SKILLS CLINIC: MTB Level 2 – Women

July 8 @ 5:30 pm - 7:30 pm
Tue 14

TRAIL BUILDING: Heil

July 14 @ 5:15 pm - 8:00 pm
Wed 15

SKILLS CLINIC: MTB Level 2

July 15 @ 5:30 pm - 7:30 pm

BMA has a ton of cool stuff happening all season.

Sign up for a trail building event to put your muscle to good use.

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!

All The News…

UPDATED: Marshall Mesa Trail Closure

UPDATED: Marshall Mesa Trail Closure

The Greenbelt Plateau Trail will be closed 24 hours a day from June 29 through July 6 while the City of Boulder Open Space and Mountain Parks makes improvements the a bridge that connects the Community Ditch and Greenbelt Plateau trails.

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New sweet, sweet singletrack in West Mag!

New sweet, sweet singletrack in West Mag!

A brand-spanking new one just opened on June 7 in West Magnolia! BMA is super excited to bring you… New 34 (official name TBD). It’s super flowy and fun and chock full of rocky bike-optimized alternative lines. And while we were up there last week, we also improved the trail intersection of Re-Root and Hobbit 1.

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