The Dalesman

The Dalesman, often referred to as the Half Ironman or 70.3 (reflecting the total race distance in miles), is a challenging endurance event that sits between the Olympic distance and the full Ironman triathlon in terms of length and difficulty. It's a popular distance for athletes looking to step up from the Olympic distance or prepare for the full Ironman challenge. The standard distances for a The Dalesman are:
 

• Swimming: 1.9 kilometers (1.2 miles)

• Cycling: 90 kilometers (56 miles)

• Running: 21.1 kilometers (13.1 miles), which is a half marathon

This format tests athletes' endurance, speed, and transition skills, requiring a significant training commitment to prepare effectively. 

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In addition to the individual event, there's also a Dalesman Relay