Germany won the mixed triathlon at the Paris Olympics on Monday after organizers opted to go ahead with the swimming section in the Seine despite Belgium pulling out amid reports an athlete is ill with E.coli. The US were second and Britain took bronze in a photo finish in just the second Olympic edition of the event. The water quality in the Seine has been a major controversy at these Games, with organizers ploughing ahead with the idea of holding the swimming in the river despite renewed tests showing it was too polluted. Training was cancelled and an individual race last week was postponed …