Dorney Lake Triathlon
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Dorney Lake Evening Triathlon : 1 July 2026
The event takes place at Dorney Lake, Windsor, and is held in support of Macmillan Cancer Support. It offers Super Sprint, Sprint and Aquabike options around the purpose built lake and flat surrounding grounds.
The lake is used for the swim and the venue provides flat road sections for the bike and run courses. Each discipline will be marked with distance flags and race marshals will be present to guide participants. The terrain is road and swim.
Race distances available:
- Super Sprint: 400 m swim, 9.5 km bike (2 laps), 2.5 km run
- Sprint: 750 m swim, 19 km bike (4 laps), 5 km run (2 laps)
- Sprint Aquabike: 750 m swim, 20 km bike
Entries include a unique themed medal, free race photos, chip timed results and post race goodies. An event village will offer food and drink options and marshals and helpers will provide course guidance and encouragement. RunThrough notes sustainability as a priority in its event planning. Visit the organization's website for the most recent information.
