Advocating for trails and mountain biking in Boulder, Colorado since 1991
There are no upcoming events at this time.
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…
The Canyon Trail is closed from mile marker 40 to Fourmile Canyon Drive, there is no westbound cycling access through this part of Boulder Canyon.
The six mile long Toll Trail will connect West Magnolia to Jenny Creek and is an integral piece of the Indian Peaks Traverse.
BMA and the Boulder Ranger District are working together to make sure all users have a fun and safe experience on our winter trails.