Dorney Lake Duathlon
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Event overview
The Dorney Lake Duathlon takes place on Saturday 7 February 2026 at Dorney Lake, Windsor, Berks. The event is organised by RunThrough UK and is held on the lake grounds, which are described as flat and scenic. The course uses road surfaces and is marked with distance flags and marshals to guide competitors. Relay teams of two or three people can share the disciplines.
Distances and format
- Super Sprint Duathlon: 2.5 km run; 9.5 km bike (2 laps); 2.5 km run.
- Sprint Duathlon: 5 km run; 19 km bike (4 laps); 2.5 km run.
- Standard Duathlon: 10 km run; 38 km bike (8 laps); 5 km run.
Elevation is listed as 20 m for the Super Sprint, 40 m for the Sprint, and 80 m for the Standard. All disciplines use road terrain. Bike lap counts are provided for each distance.
Entry and what is included
Entry fees range from £45 to £85 depending on race type. The event provides a themed medal, free race photos, chip-timed results, and post-race goodies. An event village will offer food and drink options and partner freebies. Visit the organization's website for the most recent information.