Ironman 70.3 Weymouth

SEP

20

2026

IRONMAN 70.3 Weymouth is a half distance triathlon on the Jurassic Coast with a 1.2 mile ocean swim, 56 mile bike and 13.1 mile flat seaside run.

Sun 20 Sep 2026

Weymouth, South West (England)

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Middle distance 1900 m 90 21.1 km

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IRONMAN 70.3 Weymouth

IRONMAN 70.3 Weymouth is a half distance triathlon held in Weymouth, United Kingdom, and scheduled for September 20, 2026. The course takes place along the Jurassic Coast and through the Dorset countryside, using the town's sandy beaches and coastal esplanade.

The event format comprises three consecutive legs. Distances are:

1.2 mile ocean swim
56 mile rolling bike through Dorset countryside
13.1 mile flat run along Weymouth esplanade

Race-day conditions listed include an average water temperature around 63 °F / 17 °C and air temperatures ranging roughly from 52 °F / 11 °C to 66 °F / 19 °C. Weymouth is noted as a former host venue for the London 2012 Olympic and Paralympic sailing events. The event also offers World Championship qualification entries. Visit the organization's website for the most recent information.

13 mi

Run