Founding Sponsors
Thank you to the partners who made it possible.
The inaugural Sid Cassidy Open Water Weekend, February 2026, was powered by these South Florida partners. Their support put the first 3K Knockout in the USA in the water.
The Speedo Metric Mile
Founding sponsor
Host and presenter
Water safety
Founding sponsor
Medical partner, Boca Raton
Join them for 2027.
Become a founding partner of America’s open water championship and the road to the Olympics.