Dorney Duathlon

APR

4

2026

Challenge yourself at Dorney Duathlon on 4 April 2026 at scenic, totally flat Dorney Lake with fast chip timed courses for all levels. Choose individual or relay formats from super sprint to standard and enjoy great spectator views and free parking.

Sat 4 Apr 2026

Windsor, South East (England)

Registration

Run 2.5km (final Run) Run 2.5km (first Run) Run 2.5km Run 5km Run 5km (final)

Always double-check with the organizer's website! This page may contain affiliate links.

Event overview

Dorney Duathlon takes place on 4 April 2026 at Dorney Lake, Court Lane, Windsor SL4 6FJ. The event is organised by Active Training World. The venue is described as flat and scenic with a totally flat bike and run course. Racing is chip timed and designated as draft-illegal. Spectator facilities include a balcony cafe overlooking the transition area and a multi-lap course that provides multiple viewing spots. Free parking is available.

Race formats and logistics

Multiple race formats are offered, including individual and relay options. The run course will be marked with distance flags, and course marshals will be present on both run and bike sections.

Super Sprint: 2.5 km run - 10 km bike - 2.5 km run
Super Sprint Relay: 2.5 km run - 10 km bike - 2.5 km run
Sprint: 5 km run - 19 km bike - 2.5 km run
Sprint Relay: 5 km run - 19 km bike - 2.5 km run
Standard: 10 km run - 38 km bike - 5 km run
Standard Relay: 10 km run - 38 km bike - 5 km run

Entry prices range from £45 to £85 depending on distance and relay status. Participants are required to hold British Triathlon membership or purchase a single-use Race Pass. Visit the organization's website for the most recent information.

10 km

Run 10km

5 km

Run 5km

5 km

Run 5km (final)

Run 2.5km (final Run)

Run 2.5km (first Run)

Run 2.5km

Cycle 38km

Cycle 19km

Cycle 10km