Cool, Calm, and Collected: When Swimmers Encounter Sharks
Régent Lacoursière, George Park, Billy Park and Penny Park swam with Great White Sharks during their marathon swims
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open water swimming
Swimming Through Postcards from Francismar Siviero
Francismar Siviero is a Brazilian open water swimmera from Grêmio Náutico União who swims and eloquently and comprehensively documents many open water swims around the world in the Portuguese language via his blog NATAÇÃO MASTER. He also created the Swimming Through Postcards project where he describes his global tour to iconic locations and open water swimming events. The
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Rewarming with the Bair Hugger after an Arctic Swim
48-year-old Austrian ice swimmer Gerald Daringer completed an Extreme Ice Zero Mile in 0.37°C water at the vEltSbad Cup 2025 in Germany
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75-year-old Bill Welzien Completes Sesquicentennial Swim Around Key West
75-year-old Bill Welzien completed his 149th career 20.1 km circumnavigation swim around Key West in southern Florida – a remarkable feat that continues his unprecedented 34-year streak.
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OCEANMAN Lands on American Shores in Miami
The OCEANMAN Series is expanding from 30 countries around the world to the United States under the leadership of 4-time Olympic champion Lenny Krayzelburg.
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Open Water Swimming Risk Assessment and Safety Plans with Nuala Moore, Adrian Mayhew, Dr Shayne Baker
Nuala Moore (57, Ireland, IISA bio here) is organizing a 90-minute online seminar on June 17th – together with Adrian Mayhew and Dr. Shayne Baker, D. Prof. OAM – on insights into risk assessments, safety plans and rescue, drowning, and myriad information for open water swimmers, triathletes, lifesavers, and event organizers. Moore describes the webinar, “Do you
Haley Chasin Sets Molokai Channel Women’s Record
As a University of Hawaii junior Haley Chasin (MSF bio here, @chasin1997) won the 7 km Possibly Annual Hawaii Christmas Looong Distance Invitation Rough-H2O Swim in 2017 in the fastest overall time. She has maintained that speed in her post-graduation years. Today, 27-year-old Chasin set a new women’s record for the fastest crossing of the 45 km Molokai
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Important Differences Between Oral, Tympanic, Core Body Temperatures in a Marathon Swim
Michael Drozd (MSF bio here) of the Czech Republic had a lengthy professional marathon swimming career from 1993 to 2000. He competed in over 30 races, including racing at the European Championships and World Championships. There was a one-week period of his career when Drozd was on fire, winning both the Traversée internationale du lac
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Gerald Daringer Experiences Pain, Pride, and Satisfaction in the Arctic
48-year-old Austrian ice swimmer Gerald Daringer completed an Extreme Ice Zero Mile in 0.37°C water at the vEltSbad Cup 2025 in Germany
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Global Brands in Swimming
Red Bull has frequently supported the sport of open water swimming – from sponsoring Stephen Redmond during history’s first Oceans Seven triumph and competitive ocean swims in Mexico to lifeguard competitions organized by Bruckner Chase, circumnavigation swims by Ross Edgley, and the Red Bull Neptune Steps. Now Red Bull is moving into the much more
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