Road, gravel, and multisport group rides for every pace.
Tuesdays, 5:30pm · A/B/C pace groups, last group is no-drop
Twisted Pine Brewery
Riders split into 18–20, 16–18, and 14–16 mph groups; only the last (C) group is explicitly no-drop.
Thursdays, 5:30pm · road and gravel options
Upslope Brewery, 1898 S. Flatiron Ct
Saturdays, 9:30am (later start Jun–Aug) · endurance & skills
Sanitas Brewing
Runs March through August; summer months push the start time later.
Ongoing · earn-a-bike, repair classes & volunteer shifts
Community Cycles shop, Boulder
Not a group ride but the city’s nonprofit bike hub — recurring repair education and volunteer opportunities. Check the calendar for current days.