
Dorney Lake Triathlon & Multisport
EVENT DETAILS
Swim, bike and run at iconic Dorney Lake with triathlon, duathlon, aquabike, aquathlon, open-water swim and running challenges.
Swim. Bike. Run. Race at Dorney Lake. One on the Lake brings a full day of multisport racing to one of the UK's best-known sporting venues on Sunday 5 September 2027. Choose your challenge with Triathlon, Duathlon, Aquabike and Aquathlon options, or focus on a single discipline with open-water swimming and running races. Dorney Lake's purpose-built sporting environment creates a brilliant setting for racing. The open water provides a fantastic swim venue, while the surrounding roads and paths offer fast bike and run courses. Whether you're taking on your first multisport event, chasing a new PB or looking for a late-summer challenge, there's a race for you. Your event includes professional timing, a finisher's medal, race photography, fully marked and marshalled courses and medical support. One lake. Multiple challenges. Your race.
WHAT'S INCLUDED
- Professional race timing
- Finisher's medal
- Race photography
- Medical support
- Fully marked & marshalled courses
- On-course water
- Event village
- Pre & post-race catering
GETTING THERE
The event takes place at Dorney Lake, Boathouse Court Lane, Dorney, Windsor, SL4 6QP. What3Words: cheer.spins.rails On arrival at Dorney Lake, follow the OneRace event signage to the event village, registration and transition areas. Please allow plenty of time to arrive, park, collect your race pack and prepare for your event. Final parking and venue access information will be provided in the pre-race information.
PRE-RACE INFORMATION
Sunday 5 September 2027 · Dorney Lake
Race pack collection will take place at the Registration Tent in the event village on race morning. Nothing will be sent by post. Depending on your event, your race pack may include a timing chip, bib number, bike and helmet stickers and swim hat. Participants taking part in cycling disciplines will need to rack their bike in the transition area before their race. All swim, bike and run courses will be clearly marked and marshalled. The number of laps required will depend on your chosen discipline and distance. Water will be available at the start and finish, with water stations provided on the running routes. Bag drop is available for running events only. Multisport participants should leave belongings with their vehicle or in transition where permitted. Portable toilets, catering, medical support and race photography will be available around the event village. Detailed start times, transition opening times and final race-day instructions will be sent to registered participants ahead of the event.
FAQS
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