Dorney Triathlon

JUL
12
2026
A triathlon at Dorney Lake featuring sprint, standard and super sprint races plus aquabike and relay options. The course is flat around a clear lake; British Triathlon membership or a single-use race pass is required.
Sun 12 Jul 2026
Sprint Triathlon Standard Triathlon Super Sprint Triathlon

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Dorney Triathlon - July

The event is a multi-discipline triathlon held at Dorney Lake, Windsor. The venue includes a clear lake and flat, scenic grounds that provide a flat bike and run course. The format is draft illegal and chip timing is used.

Race options include:

  • Sprint Triathlon
  • Standard Triathlon
  • Super Sprint Triathlon
  • Aquabike (swim and bike)
  • Relay entries with 2 or 3 athletes sharing disciplines

An Aquabike option is available for participants who do not wish to run. Relay teams may consist of two or three individuals sharing the swim, bike and run legs. Entry requires membership of British Triathlon and a race licence; a single-use race pass is an alternative to an annual membership. Wetsuit hire is offered through named providers for seasonal or short-term hire.

Entry fees vary by race type and category, with published prices ranging roughly between £58 and £120. Organisers provide marshals and helpers to guide participants on course. The event is organised by Dorney Lake Events and takes place at Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ. Free parking is available on site. Visit the organization's website for the most recent information.

Sprint Triathlon
Standard Triathlon
Super Sprint Triathlon
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