Dorney Lake Triathlon
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Dorney Lake Triathlon
The Dorney Lake Triathlon takes place on 12 July 2026 at Dorney Lake, Windsor, United Kingdom. The event is organised by RunThrough with Macmillan Cancer Support as the event partner.
The venue features a purpose built lake for the swim and flat grounds that produce a flat bike and run course. Each discipline is marked with distance flags and the course is supported by marshals and helpers. Results are chip timed.
Race options include individual triathlons, an aquabike option and team relays that allow two or three people to share disciplines.
Course distances
- Super Sprint Triathlon: 400m swim, 9.5km bike 2 laps, 2.5km run Elevation 20m Road
- Sprint Triathlon: 750m swim, 19km bike 4 laps, 5km run Elevation 40m Road
- Standard Triathlon: 1500m swim, 38km bike 8 laps, 10km run Elevation 80m Road
Entries include a unique themed medal, free race photos, chip timed results and post race goodies. The event village offers food and drink options and free items from partners at the finish. RunThrough reports that sustainability has been a focus in its research on participant priorities. Visit the organization's website for the most recent information.
