Dive into this Lake Michigan swimming event in Winnetka that welcomes participants of all skill levels, with lifeguards and boat support keeping you safe throughout the course. Completing the 1.2-mile, 2.4-mile, or 5K distances qualifies you for the Chicago River Swim in September 2027. Run by a Chicago-based nonprofit dedicated to ALS research, your registration includes a race shirt, swim cap, breakfast, professional timing, and multiple distance options ranging from 750 meters to 5K, plus the chance to fundraise for a cause.