Southside Critical Mass
Chicago, IL · South Side · Critical Mass · Social
- When
- First Friday of the month, 6:15 pmSeason: Apr–Nov
- Starts at
- Nichols Park, 55th St & Kimbark Ave, Chicago, IL Map ↗
- Distance
- 18–22 miles
- Pace
- under 10 mphNo-drop: nobody gets left
- Hosted by
- Southside Critical MassCommunity-run
- Cost
- free
- Kind of ride
- SocialCritical Mass
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 6:15 pm. Tell whoever's leading that you're new.
- Pace
- Expect under 10 mph: you can talk the whole way. It's no-drop: if you fall off the back, someone waits. That's the point of a group ride.
- Check
- Look at their Facebook page the day of — that's where cancellations, weather calls and start changes get posted.
First group ride? Start here →
About the Southside Critical Mass group ride
Southside Critical Mass is a Critical Mass ride in Chicago, IL. It rolls first Friday of the month at 6:15 pm from Nichols Park.
The South Side's own Critical Mass, on the first Friday instead of the last. Listed in the Chicago Group Rides directory; check the Facebook page for each month's start point.
Where to find them
Checked Sep 18, 2026 against source 1. Schedules change. Confirm with the host before you go.