Everything was on the line for open water swimmers in 2015. Twenty swimmers from this summer’s 10K marathon swim at the World Championships in Kazan were to be selected for participation in next year’s Olympics, putting extreme importance on being in peak form a year out from Rio.\u00a0Concerns about water safety in Copacabana Beach again dominated the conversation this year, as the media and event organizers offered different viewpoints on the level of contamination off the shores of Rio de Janeiro.\u00a0Swimming World<\/em> presents the five biggest open water moments of 2015 (in chronological order).<\/p>\n Check out the November issue to learn more about the five biggest open water moments.<\/p>\n