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Open Water Swims

These are all the swims for the 2017 open water season for Pacific Masters Swimming.

LAST UPDATED August 10th.  All Pacific Masters Open Water events are listed below.

This page will be updated if a venue changes or a race is cancelled due to the water level or quality.

This year the magic number is 6. Your top six finishes count toward the 2017 open water points competition. Only open water swims longer than 500 meters will be considered for points.  Remember, if swims are cancelled, that number could be adjusted.

The results of each open water race will be posted on the open water results page.

The Open Water Points competition has two divisions for the two different types of suits. Here is the link to the rule: swim suit rules. Please review them before leaving for the open water swim. Please also note that no tape (spider tapes, bandages, duct tape, etc…) is allowed in either category.

NEW RULES effective 2017:

  • Age Group determination: You will swim in the age group determined by your age as of December 31, 2017.
  • Swim Suits: Category 1 Long suits are allowed for both men and women in Open Water but can not contain clasps or zippers.  The swimsuit shall not cover the neck and shall not extend past the shoulder nor below the ankles. USMS Rule 303.7.2

Only Open Water Points scored with Category One suits will count toward Swimmer of the Year.  For more details on the rules governing open water points see here.

See the Individual Open Water Point Standings and Team Open Water Points Standings for 2017


spring lakeSaturday, May 20
Spring Lake 
One Mile 
500 M (RCM)


A one mile loop. Water temp is normally in the mid 60’s. There are some weeds. This swim is always very well run; they will have you out of there by 11:00 am, even if you stay for the awards. Parking is easy. Nice green lawn to sit on. Post event snacks provided.

Please note that only the 1 mile swim is eligible for open water points.

USMS Sanction 387-W003.

[ information ]  [ register ] [ 500m and 1 mile results ]


Saturday, June 3
Lake Berryessa
1 & 2 mile loops in a freshwater lake


Join us for the 35th Annual DAM Lake Berryessa Swim!
Hosted by Davis Aquatic Masters (DAM)
Saturday, June 3, 2017
Steele Canyon Campground, near the junction of highways 128 and 121.  This venue features plenty of off-street parking and campsites available for the weekend. The water is clean, comfortable and at it's highest levels in a decade, plus the weather is, more often than not, fine!

The Lake Berryessa Swim is one of the longest running open water swims in America. Join hundreds of other USMS swimmers for the 1-mile and/or 2-mile swim then party/picnic at the lake! Two food trucks will be available for race-day lunch purchases.

Fees include swim cap, official Berryessa mug (guaranteed for swimmers registered by May 20), post race refreshments & online race results.

(Unfortunately, due to conflicts with USAS Open Water officials, Sierra Nevada Swimming will not sanction the 2017 event. DAM cannot offer youth events this year.)

USMS Sanction 387-W002.

Paper registration forms available at
Online registration: USMS (adult only)

For more race information contact:
Stuart Kahn, Race Director

[ information ]  [ register ] [ 1 mile results ]  [ 2 mile results ]



Saturday, June 10
5K and 10K

Sunday, June 11,
1.2K and 2.5K 

Lake Del Valle 

This year, the Lake Del Valle event will start on Saturday with a 5K/10K. The swims will run at the same time. You have to pre-register for the 10K and be able to meet the 3 ½ hour cut off time to swim the event.  On Sunday, the 1.2K and the 2.5K will be held.  If you’re new to open water swimming, try the 1.2K swim.   It’s run first.  For a good workout, do both.  Plenty of parking.  A good place to bring the kids:  they have a roped off swimming area.  Post event snacks provided. 

USMS Sanction 387-W001.

[ information] [ register ]

[ 10km results ] [ 5km results ] [ 1.2km results ] [ 2.5km results ]


Santa Cruz Open Water Weekend

Saturday, July 29: 44th Annual Roughwater 1 mile Swim
Sunday, July 30:  The Cruz Cruise 2 mile Swim

The Saturday 1 mile ocean swim goes around the Santa Cruz pier. The Sunday 2 mile ocean swim goes around the same pier, loops around the other side and comes back. The water is usually 58-61 degrees! Both are fun and very popular swims even if you’re numb. The Saturday swim is one of the bigger events and is started in two waves: under 40 years old and 40 years old and over. The Sunday swim is smaller and very low key; it is NOT for novice swimmers. 

For both swims bring lots of quarters for the street parking meters ($1.00/hour). Or walk a long way. You may want to bring a chair if you don’t like sitting on a sandy beach. On Saturday there is no post event food, but there are plenty of restaurants right there. On Sunday there will be plenty of warm beverages and snacks at the finish.

The Saturday swim starts at 11am and often the fog has lifted by then. The Sunday swim starts at 8:30am and is usually foggy. (On the bright side parking meters are not checked until 10AM so if you swim fast you can park for free!) Since the water is +/- 60 degrees it's important to stay warm: wear a thermal cap and ear plugs and don’t stop to look around while you are out there. Keep moving and have fun! 

USMS Sanction 387-W005.

Saturday, August 12
Donner Lake 
2.7 miles (SNM)
REGISTRATION CLOSED - This event is full.

One of the longest swims of the season. The start is at the east end of the lake and the finish is at the west end. If you drive along the shore of the lake you will marvel at how far you will swim. The swim is limited to 400 swimmers this year, and is known to quickly fill its entry limit. Enter early if you wish to swim the Donner Lake Open Water Swim. Registration opens June 1st at 8am.

Sierra Nevada Masters will provide post race recovery refreshments.  You may purchase a lunch for your self and non-participants for $12 each. Free shuttle buses run between the start and the finish. Swimmers are given a plastic bag at the start to hold their sweats. It will be transported to the finish for you. 

USMS Sanction 387-W004.



Sunday, September 10

Whiskeytown Lake 
1 & 2 mile (RAD)

Whiskeytown Lake is just outside Redding so plan to drive up the day before. This is a beautiful lake. There’s a nice shady picnic area and beach so bring the family. This event is in the early fall and the weather can be either chilly or hot. The lake is a bit cooler than Berryessa (think mid to high 60’s). If you plan to do both the 1- and 2-mile events, be prepared to feel a little cold at the start of the 2-mile. Post event snacks. 

USMS Sanction 387-W006.

[ register ] [ information ]


Saturday, September 23richmond
Keller Cove Pt. Richmond, SF Bay
½ mile, 
1 mile, & 
2 miles

This is the final event of the OW season; last chance to pile-up those points!  Only SF Bay swim on the calendar, in protected cove at Miller/Knox Regional Shoreline.   ½, 1 and 2-mile distances run concurrently in waves – take your pick.  Expected water temp 62 to 64 degrees.  Start and finish on a sandy beach with sweeping views of The City, Golden Gate, Angel Island, Mt. Tam and more!  Great spectator opportunities.  Lively race announcer!  Hot shower on the beach!  Free parking.  Post-race picnic at the park, or check out shops and restaurants in Point Richmond historic district, 5-minute walk from the beach.  Finish the 2017 OW season with a flourish!

USMS Sanction 387-W007.

[ information ]    [ register ]

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