Dorney Lake Duathlon
DEC
12
2026
Challenge yourself at the Dorney Lake Duathlon, a flat and fast course around Windsor's lake with sprint to standard distances and relay teams. Chip timing, themed medal, free photos and an event village make it a fun race day.
Sat 12 Dec 2026
Sprint Duathlon
Sprint Relay
Standard Duathlon
Standard Relay
Super Sprint Duathlon
Always double-check with the organizer's website! This page may contain affiliate links.
Event overview
The Dorney Lake Duathlon takes place on Saturday 12 December 2026 at Dorney Lake, Windsor, UK. The event uses a flat road course around the lake. RunThrough organises the event and provides course marshals and an event village with food and drink options. Relay entries allow teams of two or three people to share the disciplines. Results are chip-timed and the entry includes a themed medal, free race photos, and post-race goodies.
Distances and format
- 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
Elevation by distance: Super Sprint 20 m, Sprint 40 m, Standard 80 m. Terrain for all distances is road. Visit the organization's website for the most recent information.
Sprint Duathlon
Sprint Relay
Standard Duathlon
Standard Relay
Super Sprint Duathlon
Super Sprint Relay