Run Dorney Lake Marathon

JUL
12
2026
Run Dorney Lake offers 5K, 10K and half marathon on the flat scenic roads around Windsor's rowing lake, with chip timing and themed medals. Enjoy multiple laps, free race photos and an event village for a relaxed post race vibe.
Sun 12 Jul 2026
Half Marathon 10 kilometers 5 kilometers

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Event details

The Run Dorney Lake Half Marathon, 10k & 5k is scheduled for Sunday 12 July 2026 at Dorney Lake, Windsor, Berks. The event offers multiple entry options and published entry prices for each distance.

  • 5K - £28
  • 10K - £30
  • Half Marathon - £34
  • RunThrough Foundation Place (no fundraising required) - £80

Course and race information

The course is on road around Dorney Lake, a purpose-built rowing venue. Course details given by the organiser: the Half Marathon has an elevation of 27 m and consists of 4 laps with a U-turn each lap; the 10k has an elevation of 15 m and 2 laps; the 5k has an elevation of 8 m and 1 lap. Results are chip-timed. Entries include a themed medal, free race photos, post-race goodies and chip-timed results. The event will have marshals and an event village with food and drink options, including free items from partners. The organiser states that sustainability is a focus for the event. Visit the organization's website for the most recent information.

Half Marathon
Half Marathon
10 km
10k
5 km