Dorney Lake Duathlon
DEC
13
2025
Dorney Lake Duathlon at Windsor on 13 December 2025 offers flat, scenic run and bike courses at an Olympic venue. Choose Super Sprint, Sprint, Standard or relay teams and enjoy chip timing, a themed medal and free photos.
Sat 13 Dec 2025
Super Sprint Duathlon (2....
Sprint Duathlon (5k Run,...
Standard Duathlon (10k Ru...
Sprint Relay
Standard Relay
Always double-check with the organizer's website! This page may contain affiliate links.
Event overview
The Dorney Lake Duathlon takes place on Saturday 13th December 2025 at Dorney Lake, Windsor, UK. It is organised by RunThrough UK and is held at an Olympic venue. The site is described as flat and scenic, with a flat bike and run course.
Each discipline is marked with distance flags and event staff will be present on course. There are relay options that allow 2 or 3 individuals to share the disciplines.
Distances and entry fees
The event offers multiple race distances:
- 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
Entry prices listed are:
- Super Sprint £47
- Sprint £58
- Standard £68
- Sprint Relay £75
- Standard Relay £85
Included in entry
Entries include a unique themed medal, chip timed results, post-race goodies, and free race photos. Visit the organization's website for the most recent information.
10 km
Standard Duathlon (10k Run, 38k Bike, 5k Run)
5 km
Sprint Duathlon (5k Run, 19k Bike, 2.5k Run)
Super Sprint Duathlon (2.5k Run, 10k Bike, 2.5k Run)
Sprint Relay
Standard Relay