Run Dorney Lake Marathon
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Run Dorney Lake Half Marathon, 10k & 5k : Saturday 4 April 2026
The event is held at Dorney Lake near the village of Dorney in Buckinghamshire, with the course on purpose-built rowing and surrounding roads. Distances are measured and chip timed, and each kilometre is marked with distance flags.
- Half Marathon 4 laps plus U-turn each lap
- 10K 2 laps
- 5K 1 lap
The organiser describes the course as flat and road-surfaced. Reported elevation figures are 27 m for the half marathon, 15 m for the 10k, and 8 m for the 5k. Friendly marshals are positioned around the route to guide and encourage participants.
Entry includes a unique themed medal, free race photos, chip-timed results, and post-race goodies. An event village is provided with a range of food and drink options and freebies supplied by event partners. An event t-shirt is available at a discounted price when purchased as part of the entry via the official kit partner.
The organiser highlights sustainability as an area of focus for the event and notes that gathering input from runners has informed operational choices. Maps and route information are provided for the Dorney Lake location in Windsor, Berks. Visit the organization's website for the most recent information.