Big Shoulders 5K & 2.5K Open Water Swim Classic will be held on September 7, 2024 in glorious, salt free Lake Michigan, at Ohio Street Beach in Chicago, IL. First wave kicks off at 8:00 a.m.

Registration is CLOSED!  The race sold out in 37 minutes! Sorry, but we do not offer a waitlist, and we do not allow transfers or whiners! Please try again next year.  Details for registration for Big Shoulders 2025 will be posted in October 2024.