Swimming Events in California
California has 12 upcoming open water swims scheduled for 2026. That is the 2nd-highest event count for open water swimming of any state. Big Bear Lake is the busiest city with 3 swims, ahead of La Jolla (2) and San Francisco (1). The list includes Alcatraz Sharkfest Swim in San Francisco on June 15 — 1.5-mile open water swim.
Showing all 12
Swimming
Escape From Alcatraz Swim (Sharkfest)
San Francisco, CA
Swimming
Escape From Alcatraz Swim (Sharkfest)
June 15, 2026
San Francisco, CA
Swimming
Big Bear Paddlefest/Swim the Bear
Big Bear Lake, CA
Swimming
Big Bear Paddlefest/Swim the Bear
June 27, 2026
Big Bear Lake, CA
Swimming
Catalina Channel Swim
Catalina Island, CA
Swimming
Catalina Channel Swim
July 15, 2026
Catalina Island, CA
Swimming
MPSF Open Water Championships - Masters/Open 5 Kilometer and 1 Kilometer Open Water Swim
October 17, 2026
Long Beach, CA
Frequently asked questions
What types of open water swimming events are there?▾
Events range from short 1-mile swims to marathon distances of 10+ miles. Categories include bay crossings, lake swims, ocean swims, river swims, and channel crossings. RACE lists open water events across the US.
What is the Triple Crown of Open Water Swimming?▾
The Triple Crown consists of the English Channel (21 miles), the Catalina Channel (20.2 miles), and the Manhattan Island Marathon Swim (28.5 miles). The Catalina and Manhattan swims are both listed on RACE.
What gear do I need for open water swimming?▾
Essential gear includes goggles, a brightly colored swim cap, and a wetsuit (if water temperature allows). Many swimmers also use a safety buoy for visibility. Some events require specific gear — check the event page for details.
What are the biggest open water swims in the US?▾
Notable events include Escape From Alcatraz (Sharkfest), Swim Around Key West, the Waikiki Roughwater Swim, and Swim Miami. The Manhattan Island Marathon Swim is one of the most iconic distance events. Find them on RACE.