Run Dorney Lake Marathon

JUL

12

2026

RunThrough invites you to Run Dorney Lake 5k, 10k and Half Marathon around the flat scenic Olympic rowing lake in Windsor. Chip timed races include themed medals, free photos and an event village with food and sustainable extras.

Sun 12 Jul 2026

Windsor, South East (England)

Registration

Half Marathon 10 kilometers 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

Event

RunThrough UK stages the Run Dorney Lake Half Marathon, 10k & 5k on Sunday 12th July 2026 at Dorney Lake, Windsor, Buckinghamshire. Dorney Lake is a purpose-built rowing lake near the village of Dorney and was the venue for London 2012 rowing events. The event takes place on road surfaces around the lake.

Course

Distances and basic course details:

5K - 1 lap, elevation 8 m, road
10K - 2 laps, elevation 15 m, road
Half Marathon - 4 laps with a U-turn each lap, elevation 27 m, road

The course is described as flat and is chip-timed. Marshals will be present on the course.

Entries and event services

Available entry options and listed prices:

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

Entries include a unique themed medal, free race photos, chip-timed results, and post-race goodies. The event features an event village with food and drink options and branded free items from partners. The organiser notes a focus on sustainability practices for its events. Visit the organization's website for the most recent information.