Dorney Lake Triathlon
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Event overview
Dorney Lake Triathlon takes place at Dorney Lake in Windsor, Berks on Saturday 26 September 2026. The venue features a purpose-built lake for the swim and flat grounds used for the bike and run. Courses are on road terrain with marshals and an event village offering food and drink options. Relay entries allow teams of two or three to share the disciplines. Aquabike entries are available for swim-bike only.
Distances and course
- Super Sprint: 400m swim, 9.5km bike (2 laps), 2.5km run
- Sprint: 750m swim, 19km bike (4 laps), 5km run
- Standard: 1500m swim, 38km bike (8 laps), 10km run
- Sprint Relay, Standard Relay, Sprint Aquabike, Standard Aquabike
Elevation is listed as 20m for Super Sprint, 40m for Sprint, and 80m for Standard. All bike and run sections are on road.
Entry details and inclusions
Entry prices range from £58 to £120 depending on race type and relay options. Entries include a themed medal, free race photos, chip-timed results, and post-race goodies. Organisers provide course markings and helpers to guide participants. Visit the organization's website for the most recent information.
