Describe Your Event

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DAM’s Annual Lake Berryessa Swim is one of the longest running open water swim events in America. Started in 1981 as a friendly lake swim, this event now attracts over 500 swimmers each year to the shores of Lake Berryessa. 

Location: Steele Canyon Campground, Steele Canyon Road, Lake Berryessa, Napa, CA

Course: 1-mile and 2-mile single loop in a freshwater lake. 1 loop for 1 mile swim, and 2 loops for 2 mile swim.

Conditions/Safety: Expected water temperature is 65-70 degrees. Course is patrolled by safety craft. Individual escorts are not allowed. 

Eligibility: This event is open to USMS registered swimmers or members of an equivalent organization (for foreign swimmers). To register for the event, you must provide proof of current membership. You may register for a USMS One-Day Event Membership (OEVT) during the online entry. 

Entries: Online entry is provided by Club Assistant software.

Entry Deadline: Online registration closes Wednesday, June 1st at 11:59 PM (Eastern time). NO paper entries and NO race day entries. NO race swaps on race day (i.e., if you entered the 2 mile, and decide you want to switch to the 1 mile on race day – you will not be allowed to make this change). You may always withdraw from a race on race day.

Entry Fees: $50.00 1-mile swim; $50.00 2-mile swim ; $75.00 Both swims; $5.00 Club Assistant Processing Fee

Scoring Divisions: Divided by gender in five-year increments according to USMS Rules (18-24, 25-29, 30-34, etc.).

Awards: Towels are back!!! Official Lake Berryessa Swim embroidered towels will be given to the top three male and female finishers in each designated USMS age group for the 1 and 2 mile races in Category 1. Awards for the Category 2 races will be presented to the top three male and female overall finishers, regardless of age. The top 3 overall, male and female, Category 1 swimmers based on combined 1 and 2 mile times will receive special awards.

Race Day check-in opens at 7:30 a.m. 

Race Day check-in closes at:

 9:00 am for USMS, Category 1 and Category 2, 2-mile

11:15 am for USMS, Category 1 and Cateogry 2, 1-mile 

Anticipated Race Start Times:

• 9:20 am –  2-mile Category 1:  Faster Men (based on seed times)

• 9:25 am –  2-mile Category 1:  Faster Women (based on seed times)

• 9:30 am –  2-mile Category 1:  Slower Men (based on seed times)

• 9:35 am –  2-mile Category 1:  Slower Women (based on seed times)

• 9:40 am –  2-mile Category 2:  Men and Women

• 11:50 am – 1-mile Category 1:  Faster Men (based on seed times)

• 11:55 am – 1-mile Category 1:  Faster Women (based on seed times)

• 12:00 pm – 1-mile Category 1:  Slower Men (based on seed times)

• 12:05 pm – 1-mile Category 1:  Slower Women (based on seed times)

• 12:10 pm – 1-mile Category 2:  Men and Women

• Course Closes at 1:10 PM

Food and Drink

• Due to COVID Safety protocols, we are serving only bottled water, and non-perishable, pre-packaged snacks – such as granola bars. If you want more substantial fare, please bring it with you.

Other Event Details: 

• Commemorative t-shirts will be available for both advance and race day purchase. Limited quantities of commemorative t-shirts will be available for purchase at the event.

• Lodging: Basic campsites (no running water or electricity) are available at Steele Canyon Campground. Call 1-877-386-4383 for reservations. Full hookup camping sites are available at Pleasure Cove Marina (, click on “Forever Resorts Marinas”). Nearest hotels are in Napa, Vacaville, or Fairfield.


North America

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