Dorney Lake Duathlon
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Event details
The Dorney Lake Duathlon takes place on Saturday 13 December 2025 at Dorney Lake, Windsor, UK. The event is organised by RunThrough UK and is set at an Olympic venue. The organiser describes the grounds as flat and scenic, with a flat bike and run course. Relay options are available that allow two or three individuals to share the disciplines.
Distances, race types and entry
- Super Sprint: 2.5 km run, 10 km bike, 2.5 km run
- Sprint: 5 km run, 19 km bike, 2.5 km run
- Standard: 10 km run, 38 km bike, 5 km run
Additional race types listed include a sprint relay, a standard relay, and a RunThrough Foundation place (no fundraising required). Entry fees shown range from £47 to £150 depending on race choice. Entries include a unique themed medal, chip-timed results, post-race goodies, and free race photos. The organiser states that each discipline will be marked with distance flags and that helpers will be present on course. Visit the organization's website for the most recent information.
