The Open Water Swim CHICAGO is on Tuesday July 7, 2026 to Tuesday August 18, 2026. It includes the following events: Open Water Swim Clinic (7/7), Swim On Your Own (7/7), Competitive Aquathlon (7/7), Open Water Swim Clinic (7/28), Swim On Your Own (7/28), Competitive Aquathlon (7/28), Open Water Swim Clinic (8/18), Swim On Your Own (8/18), Swim On Your Own (8/18)_, and Competitive Aquathlon (8/18).