Run Dorney Lake Marathon
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Event overview
The Run Dorney Lake Half Marathon, 10k & 5k takes place on Saturday 2 May 2026 at Dorney Lake, Windsor, Buckinghamshire. Dorney Lake is a purpose-built rowing lake that hosted London 2012 Olympic rowing events. The event offers the following distances:
- 5K - £28
- 10K - £30
- Half Marathon - £34
- RunThrough Foundation Place (no fundraising required) - £80
The organiser describes the course as flat and suitable for chip-timed results.
Course and race details
All races are held on road surfaces around Dorney Lake. Course specifics listed by the organiser:
- Half Marathon: elevation 27 m; 4 laps with a U-turn each lap.
- 10k: elevation 15 m; 2 laps.
- 5k: elevation 8 m; 1 lap.
Each kilometre is marked with distance flags. Chip-timed results, a unique themed medal, free race photos, and post-race goodies are included with entry. Marshals are present on the course and the event features an event village with food and drink options and partner freebies. An event t-shirt is available at a discounted price when purchased during checkout via the organiser’s kit partner. The organiser also notes work on sustainability for its events. Visit the organization's website for the most recent information.
