2025 REGISTRATION DETAILS
We're going back to basics in 2025, consolidating our efforts into the original four weekday sessions and changing some of event formats (specifically the Aquathlon option).
Priority Registration opens to current 2025 Chicago Triathlon registrants on Thursday, March 20 (watch your inbox for a private email from the Chicago Triathlon / SupertTri). Registration for the general public will open Monday, March 24 at 12:00 PM CT on this site. Availability will be limited. These sessions will sell out.
Open Water Swim Details
2025 dates are listed below. Participants will select from various event options during the registration process. Registration will open in March.
#1 Tue, May 27
#2 Tue, June 24
#3 Tue, July 22
#4 Tue, August 19
OWS CHICAGO offers three unique ways to participate, subject to each event date. Click below for details:
> Open Water Swim Clinic: Small group instruction for beginner, intermediate or advanced swimmers.
> Swim-On-Your-Own: For those who prefer to utilize the event services but swim independently
> Competitive Aquathlon: Swimmers complete a 750m or 1.5k swim followed by a 3.1 mile (5k) run.
