Dorney Lake Triathlon

SEP

2026

Race around the flat, fast Dorney Lake course on Saturday 26 September 2026 with super sprint to standard distances and relay or Aquabike options for all abilities. Enjoy chip timing, free photos and a themed medal at the finish.

Sat 26 Sep 2026

Windsor, South East (England)

Registration

Sprint Aquabike Sprint Relay Sprint Triathlon Standard Aquabike Standard Relay

Always double-check with the organizer's website! This page may contain affiliate links.

Event details

The Dorney Lake Triathlon takes place on Saturday 26 September 2026 at Dorney Lake, Windsor, Berks. The event is held around a purpose-built lake with flat grounds for the bike and run courses. Relay options allow 2 or 3 individuals to share disciplines, and Aquabike entries are available for swim-bike only. Entry fees listed range from £58 to £120 depending on the race.

Race distances and course

Super Sprint Triathlon: 400m swim, 9.5km bike (2 laps), 2.5km run
Sprint Triathlon: 750m swim, 19km bike (4 laps), 5km run
Standard Triathlon: 1500m swim, 38km bike (8 laps), 10km run

Elevation gain is listed as 20m for Super Sprint, 40m for Sprint, and 80m for Standard. Terrain for bike and run is road. Distances will be marked with distance flags, and marshals will be present on the course. Entries include a themed medal, free race photos, chip-timed results, and post-race goodies. Visit the organization's website for the most recent information.

Sprint Aquabike

Sprint Relay

Sprint Triathlon

Standard Aquabike

Standard Relay

Standard Triathlon

Super Sprint Triathlon