Big Shoulders 5K & 2.5K Open Water Swim Classic
September 12, 2026 · Ohio Street Beach, Chicago, IL
OrganizerU.S. Masters Swimming
Event typeopen water
Source checkedSeptember 6, 2026
Entry requirements
What you need to enter
Verified entry eligibility
All listed requirements apply
age minMust be age 18 or older under the event age rule.
organization membershipActive USMS membership, an accepted international equivalent, or One-Event Registration is required.