What is the Ironman race

IRONMAN, also known as IRONMAN 140.6 is the world famous triathlon with nearly 200 competitions taking place around the world. The event is organized by World Triathlon Corporation. It covers a total of 140.6 miles in 3 sports including 2.4 miles swimming, 112 miles cycling, 26.2 miles marathon. The Ironman tournament is considered to be