Dorney Lake Triathlon
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Dorney Lake Triathlon : Sunday 26 July 2026
The Dorney Lake Triathlon is held at Dorney Lake in Windsor on Sunday 26 July 2026. The event uses the purpose-built lake for the swim and road surfaces for bike and run sections. The grounds are described as flat and the course distances are clearly marked.
Race options include individual and team formats plus swim-bike only options. Relay teams may consist of two or three people, and Aquabike entries are available for competitors who do not wish to run.
Distances and course notes:
- Super Sprint: 400m swim, 9.5km bike (2 laps), 2.5km run. Elevation 20m, road.
- Sprint: 750m swim, 19km bike (4 laps), 5km run. Elevation 40m, road.
- Standard: 1500m swim, 38km bike (8 laps), 10km run. Elevation 80m, road.
Entries include a themed medal, free race photos, chip-timed results, and post-race goodies. The event provides marshals on course and an event village with food and drink options and partner-provided items. Organisers state that distances are marked with flags and that helpers will be present to guide and encourage participants. Visit the organization's website for the most recent information.
