More
Fun
Trails
Advocating for trails and mountain biking in Boulder, Colorado since 1991
Get Trail
Conditions
See Where
to Ride
Build
Trail
Join a
Group Ride
Take a
Skills Clinic
Become a
BMA Member
Upcoming Events
Wed
18
RIDE: Knobby Wednesday
September 18 @ 6:00 pm - 7:30 pm
Thu
19
RIDE: Trails & Ale
September 19 @ 5:30 pm - 7:00 pm
Thu
26
RIDE: Trails & Ale
September 26 @ 5:30 pm - 7:00 pm
Sat
28
TRAIL BUILDING: National Public Lands Day at West Magnolia
September 28 @ 9:00 am - September 29 @ 4:00 pm
Oct
23
EVENT: East End Endurance Social
October 23 @ 6:00 pm - 10:00 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.
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…
Support Singletrack Sidewalks in Louisville!
The City of Louisville has proposed Singletrack Sidewalks concept plan for “Fun Routes to School” and it needs your support for this and more bike friendly commuting & recreation trail accommodations!
read more
Short Stack is open and more new West Magnolia trails and improvements coming this fall
The first of 4 2019 BMA West Magnolia Trail Projects is complete, read about this volunteer-built trail and what else is happening this fall.
read more
Eldorado Canyon Visitor Use Management Plan Public Engagement Opportunities
The decision about the Eldo-to-Walker multi-use trail will not be part of the discussion but you can weigh in on other visitor use issues at either of two public open houses or an online survey.
read more
Join the BMA Community
Join the BMA Community