Ironman 70.3 Weymouth

SEP
20
2026
IRONMAN 70.3 Weymouth on September 20, 2026 features a sea swim, a rolling 56 mile bike through Dorset and a flat 13.1 mile run along the Weymouth esplanade.
Sun 20 Sep 2026
Middle distance 1900 m 90 21.1 km

Always double-check with the organizer's website! This page may contain affiliate links.

IRONMAN 70.3 Weymouth

IRONMAN 70.3 Weymouth is scheduled for September 20, 2026, in Weymouth, United Kingdom, along the Jurassic Coast World Heritage Site. The event uses a sea swim start, a road bike course through the Dorset countryside, and a seaside run along Weymouth's esplanade. The Weymouth area previously hosted the London 2012 Olympic and Paralympic sailing events.

Course highlights and measured conditions listed for the event include:

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

Reported temperature figures for the event are an average water temperature of 63 °F / 17 °C, a high air temperature of 66 °F / 19 °C, and a low air temperature of 52 °F / 11 °C. The event is identified as an IRONMAN 70.3 World Championship qualifier on event materials. Event status information shows general registration as sold out for the listed date.

The description above reflects course type and setting, measured distances, and recorded environmental figures supplied for this edition of IRONMAN 70.3 Weymouth. Visit the organization's website for the most recent information.

13 mi
Run
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.