Chicago Critical Mass

May 26, 2023 from 6pm to 10pm – Delay Plaza, 50 W Washington. Under the Picasso (giant rusty bird), at Dearborn. CHICAGO CRITICAL MASSFriday, May 26th - 2023 Last Friday of this month, and every month. Leaves after 6 pm. THE monthly gathering of bicyclists making their presence known downtown for 25+ years. Slo… Organized by John Greenfield | Type: social ride