Dorney Lake Triathlon

MAY

2

2026

Take on the Dorney Lake Triathlon at Windsor with sprint to standard distances plus aquabike and relay options, all on a purpose built lake with flat, fast bike and run courses. Expect chip timing, a themed medal and village atmosphere.

Sat 2 May 2026

Windsor, South East (England)

Registration

400m Swim 750m Swim 1500m Swim 2.5km Run 5km Run

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

Event overview

Dorney Lake Triathlon takes place on Saturday 2 May 2026 at Dorney Lake, Windsor, Berks. The event offers multiple triathlon formats and run-bike-swim combinations, including relay and aquabike options. Relay teams may consist of two or three individuals. The venue uses a purpose-built lake for the swim and predominantly flat roads for the bike and run courses. Course sections are marked with distance flags and marshals.

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
Super Sprint Aquabike / Sprint Aquabike / Standard Aquabike available
Sprint Relay / Standard Relay available

Entries and what is included

Entry prices range from £58 to £120 depending on distance and category. Included with entry are a themed medal, free race photos, chip-timed results and post-race goodies. Each kilometre is marked on course and marshals are present to guide competitors. An event village will provide food and drink options and partner giveaways. Visit the organization's website for the most recent information.

10 km

10km Run

5 km

5km Run

2.5km Run

750m Swim

1500m Swim

400m Swim

19km Bike

38km Bike

9.5km Bike