Knobby Wednesday
Boulder, CO · North Boulder · Mountain bike
- When
- Every Wednesday, 5:30 pm
- Starts at
- Boulder Valley Ranch, 3900 Longhorn Rd, Boulder, CO 80301 Map ↗
- Pace
- laid-back, aerobic 4/10, technical 3/10No-drop: nobody gets left
- Hosted by
- Boulder Mountainbike AllianceNonprofit
- Cost
- free
- Kind of ride
- Mountain bike
- Made for
- Beginner friendly
First time on this ride? Here’s the drill
- Bring
- a helmet, front and rear lights (it's a dark-hours ride), water, a spare tube or patch kit, a way to pay for the stop.
- Arrive
- Ten or fifteen minutes before 5:30 pm. Tell whoever's leading that you're new.
- Pace
- Laid-back, aerobic 4/10, technical 3/10. It's no-drop: if you fall off the back, someone waits. That's the point of a group ride.
- Check
- Look at @boulderbma the day of — that's where cancellations, weather calls and start changes get posted.
First group ride? Start here →
About the Knobby Wednesday group ride
Knobby Wednesday is a mountain bike group ride in Boulder, CO. It rolls every Wednesday at 5:30 pm from Boulder Valley Ranch.
The Boulder Mountainbike Alliance's beginner-friendly weekly ride on smooth, non-technical trails. Coed and no-drop: the group stops at every intersection and waits. Good first trail ride.
Where to find them
Checked Oct 1, 2026 against source 1, source 2, source 3, source 4. Schedules change. Confirm with the host before you go.