What is the iron distance triathlon?

The Ironman distance triathlon, often simply called an Ironman, is recognized as one of the most challenging endurance events in the world. The race consists of three segments completed sequentially without a break:

1. Swimming: 2.4 miles (3.8 kilometers)
2. Cycling: 112 miles (180 kilometers)
3. Running: A full marathon of 26.2 miles (42.2 kilometers)

In total, the Ironman covers 140.6 miles (226.2 kilometers) in a single day. Participants typically prepare for months, if not years, to build the physical and mental stamina needed to complete such a grueling event 1 2.