The One for the Planet
15 Jun 2025 (Sun)
750km, 55km, 51.50km, 41.50km, 30km, 25.75km, 20.75km, 15km, 12.90km, 11.50km, 10.40km, 10 km, 5.75km, 5 km, 3km, 2.90km, 1.50km
Join The One for the Planet 2025
The One for the Planet triathlon is located at the magnificent Dorney Lake near Windsor, with a flat and smooth surface, this event is perfect for water enthusiasts. Enlist in our multisport festival for the planet, offering a variety of distances in triathlon, aquabike, duathlon, aquathlon, swimming, and running!
Course details
Start address: Dorney Lake Boathouse, Court Ln, Dorney, Windsor SL4 6QP, UK
Finish address: Dorney Lake Boathouse, Court Ln, Dorney, Windsor SL4 6QP, UK
Register
Registration closes on 15 June (175 days left)
selected tickets
Total
You can, within 24 hours after your registration, get a full refund if you change your mind.
We accept
What’s included
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done Finisher medal
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done Timing chip (single use)
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done Drink Stations
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done Medical Assistance
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done Toilets
Reviews
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Frequently asked questions
When and where can I collect my BIB/race pack?
Your timing chip, bib number and bike/helmet stickers will be available for collection on the event day from 06:45am. These will be ready for you to collect from Registration Tent, which will be located between the river and transition.
Wheelchairs
These events are suitable for wheelchair users. Any participants wishing to compete with specialised equipment are asked to contact us before entering to ensure we can accommodate any additional requirements.
Earphones / Headphones
Noise-cancelling earphones/headphones are prohibited and, whilst we discourage the use of other earphones/headphones at our events, participants choosing to use them should ensure they are set to a low enough volume that instructions from event officials can be clearly understood.
Dogs
Participants must not be accompanied by a personally owned or controlled dog during an event. Entries may be accepted from participants with medical assistance dogs, subject to them being correctly registered and identifiable as such, and subject to prior approval by the Event Director.
Buggies, Pushchairs and Strollers
This event is not suitable for buggies, pushchairs, strollers (or similar) due to the nature of the terrain.
The race information has been found on the official website of the event or through publicly available sources. Always refer to the official website the latest race information. Please let us know if any data is wrong or missing, by emailing us.
