Dorney Lake Duathlon

MAR
8
2026
Join the Dorney Lake Duathlon on Sunday 8 March 2026 in Windsor for a lakeside challenge for solo racers or team relays. Enjoy a flat, scenic course with chip timing, free race photos and a themed finishers medal.
Sun 8 Mar 2026
2.5km Run | 9.5km Bike |... 5km Run | 19km Bike | 2.5... 10km Run | 38km Bike | 5k...

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Event overview

The Dorney Lake Duathlon takes place on Sunday 8 March 2026 at Dorney Lake, Windsor, UK. The event is organised by RunThrough and offers individual and team relay options. Relay teams may share disciplines between two or three participants. Entry fees listed range from £45 to £150 across the available race categories.

Distances

  • Super Sprint: 2.5 km run; 9.5 km bike (2 laps); 2.5 km run
  • Sprint: 5 km run; 19 km bike (4 laps); 2.5 km run
  • Standard: 10 km run; 38 km bike (8 laps); 5 km run

Course and race services

The venue is described as flat and scenic with road-surface courses. Elevation figures are given for each distance, ranging from 20 m to 80 m. Each kilometre is marked with distance flags and marshals are positioned around the course. The event includes chip-timed results, free race photos, a themed medal, and post-race goodies. An event village will offer food and drink options and partner-provided items. Visit the organization's website for the most recent information.

10 km
10km Run | 38km Bike | 5km Run
5 km
5km Run | 19km Bike | 2.5km Run
2.5km Run | 9.5km Bike | 2.5km Run