Atriathlon competition consists of swimming, cycling, and running. not all races cover the same distances. according to usa triathlon, the international distance triathlon consists of 10 mile swimming, 24 __ 4 5 miles cycling, and 6 __ 1 5 miles running. one of the most famous triathlons is an ironman competition. competitors in an ironman competition must swim 2 2 3times farther than competitors in an international distance triathlon. a. use benchmark fractions to estimate how far competitors must swim in an ironman triathlon. show