Zach Margolis Wins 20 Bridges Swim, Achieves Triple Crown Of Open Water Swimming Courtesy of Rondi Davies, Manhattan Island, New York City. Zach Margolis led the international field of 16 swimmers at the 20 Bridges Swim, a 45.8 km circumnavigation swim around Manhattan Island on June 1st. His 7 hour 30 minute victory was also […]