Advocating for trails and mountain biking in Boulder, Colorado since 1991
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 our three weekly rides – one for beginners, one for women of all levels, and one for intermediate to advanced riders.
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…
BMA participated in its third Colorado Gives Day fundraiser on December 10 and brought in $15,550.read more
BMA threw one of the biggest Member Parties (in recorded history) on December 10 when over 225 people descended on the Oskar Blues’ Oak Room for a member meeting, fundraiser and a kick-a$$ party.read more
After an in-depth recruiting process and a November retreat weekend in Nederland, the BMA Board is excited to welcome 7 new members to our board of directors!read more