Olympic Medalist Katharine Berkoff Smashes American Record and Signs Multiyear Deal with Global Swimwear Brand, A3 Performance!

INDIANAPOLIS and NEW YORK, June 26, 2025 /PRNewswire/ -- Olympic medalist, Katharine Berkoff, continues to make waves in the swimming world—this time by setting a new American Record and U.S. Open Record in the Women's 50m Backstroke with a blistering 26.97 seconds at the 2025 U.S....

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