Ironman 70.3 Weymouth

SEP
20
2026
A half-distance triathlon in Weymouth on 20 September 2026 featuring a 1.2-mile sea swim, a 56-mile bike through Dorset, and a flat 13.1-mile seaside run; listed as a World Championship qualifier.
Sun 20 Sep 2026
Run

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IRONMAN 70.3 Weymouth

IRONMAN 70.3 Weymouth is a half-distance triathlon held in Weymouth, United Kingdom, on 20 September 2026. The event takes place along the Jurassic Coast and uses the town's seaside infrastructure; Weymouth previously hosted the sailing events at the London 2012 Olympic and Paralympic Games.

The race course comprises three standard segments and measured distances:

  • 1.2-mile ocean swim
  • 56-mile rolling bike course
  • 13.1-mile flat run along the esplanade

The swim is conducted in open sea waters off the Jurassic Coast; the bike route travels through Dorset countryside with rolling terrain; the run follows a flat seaside esplanade. The average water temperature is listed as 63°F / 17°C. The event is shown as an IRONMAN 70.3 World Championship qualifier and general registration for the race is noted as sold out.

In athlete feedback from 2024 surveys, the event received high placements in regional categories, including Most Recommended Race in EMEA and Best Swim in EMEA. The organiser is IRONMAN and the race is presented as an established fixture on the IRONMAN 70.3 calendar in the United Kingdom. Visit the organization's website for the most recent information.

13 mi
Run
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