One for the Planet - Dorney Lake
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Dorney Lake Triathlon & Multisport Festival
The event takes place on Sunday 16 May 2027 at Dorney Lake, Boathouse Court Lane, Dorney, Windsor, SL4 6QP. It is a multisport festival with triathlon, duathlon, aquabike, aquathlon, open water swim and running events held around the lake and in the event village.
Race services include race timing, a finisher's medal, fully marked and marshalled courses, medical support, race photography, on-course water for running events and catering in the event village. Portable toilets are available but there are no dedicated changing rooms or showers. Entry starts from £25.
Race pack collection is at the Registration Tent in the event village on race morning; nothing will be posted. Participants in cycling disciplines must rack their bikes in the transition area and display the event number and bike sticker to enter transition. Bag drop is available for running events only. Water is available at the start and finish, with water stations on running routes.
Safety and access notes: headphones and earphones are prohibited, privately owned dogs are not permitted, and registered medical assistance dogs may be allowed with prior approval. Participants using specialised equipment for wheelchair access should contact the organiser before entering to discuss requirements. Visit the organization's website for the most recent information.
- Triathlon Standard 1500m swim 40K bike 10K run
- Triathlon Sprint 750m swim 20K bike 5K run
- Triathlon Super Sprint 400m swim 10K bike 2.5K run
- Duathlon Aquabike Aquathlon available in Standard Sprint and Super Sprint formats
- Open water swim 750m 1500m 3000m
- Running 5K 10K 15K
