Dorney Lake Triathlon
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Event overview
The Dorney Lake Triathlon takes place on Sunday 12th July 2026 at Dorney Lake, Windsor, UK. The event offers multiple race formats including triathlons, relays and aquabike options. The aquabike format includes swim and bike only. Relay teams may consist of two or three people who share the disciplines. The swim takes place in the lake and bike and run sections are on road with low elevation gain.
Race distances
- 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
Each course lists elevation and terrain: Super Sprint elevation 20m, Sprint elevation 40m, Standard elevation 80m. All bike and run sections are on road.
Entries, services and on-site information
Entry fees range from £58 to £120 depending on the race format. The event provides chip-timed results, a themed medal, free race photos and post-race goodies. Courses are marked with distance flags and marshals will be present on the route. An event village will offer food and drink options and staff support during the day. Visit the organization's website for the most recent information.
