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Welcome to the Swim Across America – Boston Open Water Swim! Established in 1996, SAA – Boston has donated millions of dollars to our beneficiaries: Dana-Farber Cancer Institute and Mass General Hospital for Children Cancer Center. Thank you for your support of cancer care in Boston.

Each year we are proud to host over 100 swimmers and volunteers, spectators and supporters, as well as Olympians near and far at our charity swim. We are so excited to announce that starting in 2021 the swim will take place at a NEW VENUE! Join us for our annual charity swim on August 14th at Castle Island at Pleasure Bay!

Whether you are a veteran swimmer or you’re looking to do your first open water swim, we welcome you to help us “Make Waves to Fight Cancer.”

General Fundraising Requirement: $500 for ages 18 & over, $250 for under 18

All swimmers are required to raise at least $500 by event day. Swimmers under 18 are required to raise $250 by event day.

WaveMaker Status: $1,000 minimum:

WaveMakers go above and beyond the call of duty by raising at least $1,000 regardless of your age. Anyone can achieve WaveMaker status – swimmers, volunteers or SAA My Way participants. WaveMakers get special recognition and an exclusive WM gift on event day. You can learn more about WaveMaker Status here.

Swim as an Individual, or on a Team:

A person may elect to swim alone, or be part of a team. Many colleagues and college alumni will form teams, or teams may be formed in honor or memory of a loved one. You can inspire each other to reach higher fundraising goals together to support Swim Across America.

Distance Options:

  • 1/2 Mile
  • 1 Mile
  • 5K

Registration Self-Donation:

Swimmers will be asked to kickstart your fundraising and let your supporters know you are personally committed to the mission of SAA. The registration self-donation is a 100% tax deductible donation that will be will be credited towards each swimmer’s fundraising minimum. The minimum self-donation amount will change as follows:

  • Register before May 15th with a registration fee of $50
  • Register between May 16th and July 17th with a registration fee of $75
  • Register between July 18th and event day with a registration fee of $100

Online registration will close 48 hours prior to the swim! Event day registration may still be available if space permits.

Wetsuit Policy, Rentals and Purchases:

We strongly recommend that all participants wear a wetsuit for this event. Please read our full wetsuit policy and tips on our Policies Page.

55Online Rental: is offering $15 off with code SAA15 on adult and youth wetsuit rentals. You can find more info here.

Online Purchase: Orca is offering a 15% discount on all Orca wetsuits with code SAAPARTICIPANT15.


All swimmers and volunteers must complete the waiver found here.


North America

Distances Offered

under 1k





Swim Type


Water Type