
London vs. Rio, Open Water vs. Rough Water
Courtesy of WOWSA, Huntington Beach, California. Night and day. The differences between the Olympic 10K Marathon Swim course and conditions at the 2012 London Olympic Games and the 2016 Rio Olympic Games are significant. Photos from the men's 10 km course in London's Serpentine are compared against the video from the women's 10 km course on Copacabana