GENERAL REGISTRATION IS NOW OPEN. Event capacity is limited to 150 participants per session, many of which will sell-out.

General Registration Is Now Open!

Session #1: May 30

$20
Options include: Swim Clinics, Aquathlon or Swim On Your Own

Session #2: June 27

$20
Options include: Swim Clinics, Aquathlon or Swim On Your Own

Session #3: July 25

$20
Options include: Swim Clinics, Aquathlon or Swim On Your Own

Session #4: Aug 22

$20
Options include: Swim Clinics, Aquathlon or Swim On Your Own

Learn to Love Open Water Swimming


Open Water Swim CHICAGO
 launched in 2012 to help new triathletes and novice swimmers experience open water swimming in a safe, non-intimidating environment. Nearly 15,000 participants have directly enhanced their swim abilities from our clinics, open swims and aquathlon events. Learn more about our programs and plan to join us in Lake Michigan!

Learn More


2023 dates are listed below. Participants will select from one of three event options and a specific start time during registration.

Tuesday, May 30 | 4:00, 5:15 or 6:30 PM
Tuesday, June 27 | 4:00, 5:15 or 6:30 PM
Tuesday, July 25 | 4:00, 5:15 or 6:30 PM
Tuesday, August 22 | 4:00, 5:15 or 6:30 PM


Aquathlons begin at 6:00 PM on each day. Due to limited capacity, many sessions will sell-out.


OWS CHICAGO features three ways to participate. 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.

Swim Clinics Swim On Own Aquathlon
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