One for the Planet - Dorney Lake Triathlon

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  • Date Sun 14th June 2026
  • Time 08:00
  • Location Windsor, Berkshire

Event summary

Get ready for an unforgettable day of athleticism and fun at the One for the Planet - Dorney Lake Triathlon, hosted by Onerace Events on Sunday, June 14, 2026! Set against the stunning backdrop of Dorney Lake in Windsor, Berkshire, this multisport festival offers an exciting range of races, including triathlon, aquabike, duathlon, aquathlon, swim, and run, catering to participants of all skill levels.

The event takes place at the legendary Eton Dorney, known for its role in the London 2012 Olympics, where Team GB celebrated incredible success. Participants will have the opportunity to race on a flat, smooth-surfaced course surrounded by 450 acres of picturesque parkland, including an arboretum and a nature conservation area. Whether you're aiming for a personal best or simply want to enjoy a day by the water, join us for this inspiring event and be part of a celebration that champions both athletic achievement and environmental awareness!

One for the Planet - Dorney Lake Triathlon

Sun 14th June 2026

Text graphic with the words "ONE RACE" in bold, stylized letters, shaded in a gradient from red to yellow, with a ribbon-like banner extending from each side on a black background. Text graphic on a purple background with faint clouds and a map of the world reads: "The ONE FOR THE PLANET powered by Climategames. A swimmer wearing goggles and a green swim cap moves through open water. Bold white text reads, "THE ONE FOR THE PLANET DORNEY LAKE," with a "ONE RACE" logo in the corner.

Organiser's Description

Set at the spectacular, flat, and smooth-surfaced Dorney Lake near Windsor, this event for the ones that enjoy being by the water. Our multisport festival for the planet offers various distances in triathlon, aquabike, duathlon, aquathlon, swim and run! 

The legendary Eton Dorney – as Dorney Lake was known during London 2012 - held 30 events throughout the Olympics, with Team GB taking a total of 12 medals. Soak up the atmosphere and invoke their heroics to inspire you to a new PB! 

The Dorney Lake course is nestled amongst 450 acres of glorious parkland - including an Arboretum and Nature Conservation area - whilst being just a few miles from Windsor and a short drive from Heathrow airport and West London.

Races

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Location

Dorney Lake, Court Lane, Off Lake End Road, Buckinghamshire, Dorney, SL4 6FJ, United Kingdom

Who's In

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Alberto Henao

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