Midweek Dorney Triathlon

AUG

26

2026

Midweek Dorney Triathlon at Dorney Lake offers Super Sprint, Sprint and Aquabike routes at an Olympic venue with clear water and a chip timed course. British Triathlon membership or a single race pass is required.

Wed 26 Aug 2026

Windsor, South East (England)

Registration

Super Sprint (400m Swim,... Sprint (750m Swim, 19km B... Sprint Aquabike (750m Swi...

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Midweek Dorney Triathlon - August

This triathlon takes place at Dorney Lake, Court Lane, Windsor SL4 6FJ, using an Olympic venue with clear water and flat, scenic grounds. The event is chip timed and marked as draft illegal. Organisers provide course marshals and helpers to guide and encourage competitors.

There are three race options with the following distances:

Super Sprint: 400 m swim, 10 km bike, 2.5 km run
Sprint: 750 m swim, 19 km bike, 5 km run
Sprint Aquabike: 750 m swim, 19 km bike

Entry fees are listed from £58 to £78 depending on the chosen option. Entrants must be aged 15 or over on 31/12/2026. Participation requires membership of British Triathlon and a race licence, either via an annual Core or Ultimate membership or a single use Race Pass. Wetsuit hire is available through season hire options and for shorter periods. Free parking is available at the venue. Visit the organization's website for the most recent information.

19 km

Sprint (750m Swim, 19km Bike, 5km Run)

10 km

Super Sprint (400m Swim, 10km Bike, 2.5km Run)

Sprint Aquabike (750m Swim, 19km Bike)