Dorney Triathlon

MAY
2
2026
Take on a fast, flat course at Dorney Lake with a clear water swim and scenic bike and run loops. Options range from super sprint to standard plus aquabike and relays, with chip timing and support on course.
Sat 2 May 2026
Super Sprint Triathlon Standard Triathlon Sprint Triathlon

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Event overview

The Dorney Triathlon takes place at Dorney Lake in Windsor. The event uses the lake for the swim and flat, scenic grounds for the bike and run courses. The course is described as flat and the swim takes place in clear water. Drafting on the bike is not allowed. The event is chip timed. Event staff and helpers are present on course.

Race distances and formats

  • Sprint Triathlon
  • Standard Triathlon
  • Super Sprint Triathlon
  • Aquabike (swim-bike)
  • Relay (teams of 2 or 3 sharing disciplines)

Age and gender categories are included: sprint categories include Under 50 and 50 and Over plus an All Female category; standard categories include Under 40 and 40 and Over plus an All Female category. Relays and aquabike options are available for sprint and standard distances.

Entry and logistics

Competitors must hold a British Triathlon membership or purchase a single-use Race Pass for the event. Wetsuit hire is available through Zone3 and a separate wetsuit hire provider. Free parking is available at the venue. Visit the organization's website for the most recent information.

Super Sprint Triathlon
Standard Triathlon
Sprint Triathlon

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