Dorney Lake Duathlon
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Dorney Lake Duathlon : 12 December 2026
The Dorney Lake Duathlon takes place at Dorney Lake in Windsor, Berks on 12 December 2026. The event offers multiple duathlon formats and relay entries around a flat, road course at an Olympic venue.
- 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
The courses are chip-timed and clearly marked; elevation gains are listed per distance. Relay teams of 2 or 3 people can share the disciplines. Minimum ages apply: 17 years for the Standard distance, 15 years for Sprint and Super Sprint.
Event facilities include a baggage drop in a secure marquee, portable toilets, an event village with food and drink, and water stations on each lap of the 5 km loop with a bottled water at the finish. Free parking is available on site and will be signposted, though some parking locations can be up to a 20-minute walk from registration. Nearest train stations are Slough and Windsor & Eton Riverside.
Entries include a themed medal, free race photos, chip-timed results and post-race goodies. Race packs are collected from the event village on the day and are not posted; collection requires booking confirmation and photo ID. The event welcomes buggy runners and wheelchair athletes. Visit the organization's website for the most recent information.
