
An Ironman distance triathlon—sometimes called the iron-distance—is 140.6 miles. But why?
Read the full article at How Long is Ironman? A Look at How the Ironman Distance Came to Be on Triathlete.

An Ironman distance triathlon—sometimes called the iron-distance—is 140.6 miles. But why?
Read the full article at How Long is Ironman? A Look at How the Ironman Distance Came to Be on Triathlete.