Italy's Rachele Bruni, right, and fellow competitors swim past the feeding station during the women's marathon swimming event at the 2016 Summer Olympics in Copacabana beach, Rio de Janeiro, Brazil, Mon., Aug. 15, 2016.
Italy's Rachele Bruni, right, and fellow competitors swim past the feeding station during the women's marathon swimming event at the 2016 Summer Olympics in Copacabana beach, Rio de Janeiro, Brazil, Mon., Aug. 15, 2016. Felipe Dana AP
Italy's Rachele Bruni, right, and fellow competitors swim past the feeding station during the women's marathon swimming event at the 2016 Summer Olympics in Copacabana beach, Rio de Janeiro, Brazil, Mon., Aug. 15, 2016. Felipe Dana AP

Physicality of open water swimming is more of a challenge than polluted water

August 15, 2016 10:43 PM