Ironman Making Changes to Swimming Portion of Races After Deaths

Ironman Making Changes to Swimming Portion of Races After Deaths

Stephen Matera/Aurora via Getty Images

Racers begin the swim portion of the Ironman Triathlon in Coeur d'Alene, Idaho. Events in Coeur d’Alene, Idaho; Lake Placid, New York; and Mont-Tremblant, Quebec, will no longer feature a mass swim start format, eliminating a long-standing Ironman tradition.