Dorney Lake Triathlon
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Dorney Lake Triathlon
The Dorney Lake Triathlon takes place at Dorney Lake in Windsor on 26 September 2026. The event supports Macmillan Cancer Support; Macmillan is listed as the RunThrough Triathlon Partner for 2026.
The venue is described as an Olympic venue with a purpose built lake for the swim. The surrounding grounds are flat and the bike and run courses are on road terrain with low total elevation. Each discipline is marked with distance flags and event staff and marshals are present on course.
Participants can choose from individual formats and team options. Race formats include Super Sprint, Sprint and Standard distances. There are also Aquabike entries and relay entries that allow two or three people to share the disciplines.
Included with entry are a themed medal, free race photos, chip timed results and post race goodies. The event village is described as lively and serviced with food and drink options and volunteer marshals to guide and encourage participants.
Course details Visit the organization's website for the most recent information.
- Super Sprint Triathlon: 400m swim | 9.5km bike - 2 laps | 2.5km run
- Sprint Triathlon: 750m swim | 19km bike - 4 laps | 5km run
- Standard Triathlon: 1500m swim | 38km bike - 8 laps | 10km run
