Dorney Lake Triathlon
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Event overview
The Dorney Lake Triathlon takes place on Sunday 26th July 2026 at Dorney Lake, Windsor, UK. The event uses the purpose-built Olympic lake for the swim and road surfaces for the bike and run. Relay and Aquabike options are offered alongside individual triathlon distances. Entry fees listed range from £58 to £120 depending on race and category.
Race formats 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
Elevation is given as 20m for Super Sprint, 40m for Sprint, and 80m for Standard. Terrain for all listed races is road. Sprint and Standard events are available as Aquabike (swim-bike) and as relays for teams of 2 or 3 sharing disciplines.
Included with entry
Entries include a themed medal, free race photos, chip-timed results, and post-race goodies. Event marshals will guide competitors around the course. An event village with food and drink options and partner-supplied items is part of the event setup. Visit the organization's website for the most recent information.
