Mary Singer becomes first to swim around Vashon Island without a wetsuit
Yahoo Sports • 1 min read • Latest: Aug 18, 2026, 6:38 PM
Last updated Aug 18, 2026

Mary Singer completed a swim around Vashon Island on August 12, becoming the first person to accomplish the feat without a wetsuit. The swim, approximately 32 miles, lasted 15 hours and 28 seconds. Singer's journey into open-water swimming began after she moved to Vashon in 2016 and was inspired by other swimmers. Her swim crew included noted open-water swimmer Stephanie Zimmerman, who previously swam around Bainbridge Island. After her historic swim, Singer is focusing on recovery and adjusting to her new routine.
- •Mary Singer swam around Vashon Island on August 12, 2026.
- •The swim took 15 hours and 28 seconds to complete.
- •Singer was inspired by local open-water swimmers and began training in 2019.
- •Stephanie Zimmerman, known for swimming around Bainbridge Island, helped plan the swim.
- •Singer aims to recover and reflects on her journey in endurance swimming.
- 6:38 PMYahoo Sports — No wetsuit? No problem. Local woman becomes 1st to swim around Vashon Island
"Every 30 minutes, Mary Singer would tread water while her crew fed her liquid food. She used a carb gel every two hours.
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