Massachusetts Open Water Swimming Association

Massachusetts Open Water Swimming Association We organize, promote, and authenticate amateur open water swims in MA and surrounding waters.
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We promote a healthy lifestyle through open water swimming, with a focus on water safety and access to opportunities at all levels of swimming skill.

07/20/2026

Adina O'Neill is making great time on her backstroke swim to Boston Light. Perfect conditions and the team can see the lighthouse now. Won’t be much longer ‘til she hits land! Kellie Latimer

07/20/2026
Nothing better than starting the day with a little 8-mile backstroke swim in Boston Harbor—MOWSA’s first backstroke swim...
07/20/2026

Nothing better than starting the day with a little 8-mile backstroke swim in Boston Harbor—MOWSA’s first backstroke swim ever! Adina O'Neill launched from M Street Beach in Southie at about 5:30 this morning in near-perfect conditions. Next stop, Boston Lighthouse on Little Brewster Island! She’s supported by pilot Timmy Burke with Kellie Latimer on board as the officer MOWSA observer.

Joanne Barker completed her Reverse Boston Light swim this morning in about 3:53, pending ratification. A nice, clean no...
07/06/2026

Joanne Barker completed her Reverse Boston Light swim this morning in about 3:53, pending ratification. A nice, clean no-drama swim that included a visit from lobster fisherman cheering her at the finish!

07/06/2026

Big day for MOWSA as four solo swimmers test their mettle on the Boston Light Swim course. Leaving first this morning at 5:49 am was Joanne Barker who’s now just about at the halfway point of her 8-mile Reverse Boston Light Swim.

Registration for the 2026 edition of the Jim Doty Memorial Swim closes TOMORROW, Friday, June 12th at 5:00PM. Visit mass...
06/11/2026

Registration for the 2026 edition of the Jim Doty Memorial Swim closes TOMORROW, Friday, June 12th at 5:00PM. Visit massowsa.org/jim-doty-swim to join us on Sunday the 14th!

Race day registration will be limited, so sign up today!

05/27/2026

A robust well done to Abigail Fairman and Sarah Roberts for some superlative swimming yesterday! What started as a chilly game of dodge-the-jelly became a fight for survival when a raging south wind kicked up after about 7 hours and made landing at Minot Beach virtually impossible. We altered the plan to take advantage of the incoming tide to attempt landing on Nantasket Beach, but the wind also wouldn’t have that and pushed us into Nantasket Roads with no good options for a shore landing. So the swimmers wisely decided to try again on a different day.

Nevertheless, this was an 🌟incredible 🌟 swim that fulfilled their goal of completing the cold-water qualifiers they needed for other planned swims. We are so proud of these incredibly strong, talented swimmers and can’t wait to see what they achieve next!

Address

M Street Beach
Boston, MA

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