Ironman 70.3 Weymouth

SEP
20
2026
A triathlon in Weymouth featuring a 1.2 mile ocean swim, a 56 mile rolling bike through Dorset, and a flat 13.1 mile run along the seafront. General registration is sold out with special entry options noted.
Sun 20 Sep 2026
Swim Run Bike

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IRONMAN 70.3 Weymouth

IRONMAN 70.3 Weymouth is a triathlon event in Weymouth, United Kingdom, scheduled for September 20, 2026. The race takes place along the Jurassic Coast and uses the local shoreline, beaches and Dorset countryside as its setting. The Weymouth area also served as the host venue for the London 2012 Olympic and Paralympic sailing events.

The course includes an ocean swim, a road bike section described as rolling through Dorset countryside, and a flat seaside run along Weymouth's esplanade. Reported average water temperature for the swim is 63°F / 17°C. General registration is listed as sold out while special entry options are noted as available.

Distances:

  • 1.2 mile ocean swim along the Jurassic Coast
  • 56 mile rolling bike course through Dorset countryside
  • 13.1 mile flat run along the Weymouth seafront

The event has received athlete feedback and awards from IRONMAN Athletes' Choice, including top placements in regional categories for recommendation, swim, and bike. Event materials describe sandy beaches, coastal scenery and the surrounding Dorset countryside as prominent features of the venue. Visit the organization's website for the most recent information.

13 mi
Run
Swim
Bike
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