Run Dorney Lake Half Marathon, 10k & 5k - October

Get ready to lace up your running shoes for the Run Dorney Lake Half Marathon, 10k & 5k, happening on Saturday, 3rd October 2026, in the picturesque setting of Windsor, Berkshire. Organised by Dorney Lake Events, this exciting event offers participants the chance to race on the same grounds that hosted the Olympic rowing events during the London 2012 games. With a flat, chip-timed course, it’s the perfect opportunity to chase your personal best, whether you choose the 5k, 10k, or the challenging Half Marathon. Runners will set off at 9:10 AM, with all distances starting together, and will enjoy the stunning views of Dorney Lake’s purpose-built rowing facilities. The race features a 5k with an elevation of just 8m over one lap, a 10k with 15m elevation over two laps, and a Half Marathon that includes four laps plus a U-turn each lap, totaling an elevation of 27m. This event is not just a race; it’s a celebration of community, fitness, and the beautiful outdoors. Don’t miss out on this fantastic day of running!

Join us for the Run Dorney Lake Half Marathon, 10k & 5k on Saturday 3rd October 2026 Join us for a 5k, 10k or Half Marathon distance at the home of London 2012′s Olympic rowing events. Dorney Lake is situated near the village of Dorney in Buckinghamshire, is a purpose-built rowing lake with grounds that are a perfect backdrop to running as well as rowing. The flat course is ideal for a chip-timed personal best over the 5k or 10k distance. Race Distance & Start Times: 09:10 am - All Distances Half Marathon Elevation - 27m | Laps - 4 + U-turn each lap | Terrain - Road 10k Elevation - 15m | Laps - 2 | Terrain - Road 5k Elevation - 8m | Lap - 1 | Terrain - Road Race End: 12:10 pm