Optech 2025 events in Barrington, IL

Sat, Nov 15, 3:30 PM

Chicago · Japanese Culture Center

Saturday at 8:00 AM

Chicago · UIC Student Center West

Sunday at 1:00 AM

Chicago · Midlane Esports

Wed, Nov 12, 8:00 AM

Chicago · Hyatt Regency Chicago

Mon, Dec 8, 8:00 AM

Oak Brook · Hilton Chicago/Oak Brook Hills Resort & Conference Center

Mon, Feb 23, 5:00 PM + 1 more

St. Charles · 901 Aqualand Way

Sun, Nov 30, 4:30 PM

Westmont · Westmont Yard

Tomorrow at 9:00 AM + 4 more

Evanston · Regus - Evanston, IL

Tue, Nov 18, 9:00 AM + 8 more

Oak Park · 1010 Lake St

Sat, Dec 13, 9:00 AM

Fort Sheridan · Fort Sheridan Cemetery

Sun, Nov 30, 3:00 PM

Aurora · Rosary High School

Thu, Dec 11, 6:30 PM

Chicago · Volumes Bookcafe

Tuesday at 11:15 AM

Chicago · Union League Club of Chicago

Wed, Dec 31, 10:00 PM

Chicago · Le Nocturne Chicago

Mon, Nov 17, 6:00 PM + 2 more

Chicago · Bramble Arts Loft

Fri, Nov 28, 7:00 PM

Crystal Lake · Downtown Crystal Lake

Sun, Nov 30, 5:30 PM

Chicago · Mrs. Murphy & Sons Irish Bistro

Saturday at 4:00 PM

Chicago · Green Line Performing Arts Center