Team USA's Anderson, Twichell Finish 6-7 in Women's 10km; Brazil's Cunha Wins Gold

The United States was unable to medal in the women's marathon swim on Tuesday night. Team USA's Haley Anderson placed sixth in the 10km open water swim with a time of 1:59:36.9. The two-time medal winner was the first American woman to medal in the event after claiming silver at the 2012 London Games.