Day 16 - Margaux Isaksen of the U.S., Brazil's Yane Marques and Britain's Samantha Murray react as they finish the combined event of the women's modern pentathlon during the London 2012 Olympic Games at Greenwich Park. DARREN STAPLES/REUTERS
how to get involved in modern pentathlon: "If you look at a triathlon and think, 'Great, but where are the guns and horses?', then step this way" - Samantha Murray on her way to silver in the women's modern pentathlon at the London 2012 Olympics.
Samantha Murray of Britain, left, competes against Melanie McCann of Canada during the fencing portion of the women's modern pentathlon at the Summer Olympics in Rio de Janeiro, Brazil, Thursday, Aug. 18, 2016. (AP Photo/Kirsty Wigglesworth)