Run Dorney 5k, 10k & Half Marathon December 2025

EVENT SOLD OUT
You can still secure your spot through the RunThrough Foundation Place above — your entry supports the Foundation’s initiatives. Join a nationwide movement promoting mental, physical, and social wellbeing through running, with no fundraising required after checkout. For more information about the RunThrough Foundation, click here.

Run Dorney Lake Half Marathon, 10k & 5k January 2026

 Dorney Lake Duathlon January 2026

Run Dorney Lake Half Marathon, 10k & 5k February 2026

Dorney Lake Duathlon February 2026

Run Dorney Lake Half Marathon, 10k & 5k March 2026

Dorney Lake Duathlon March 2026
Join us for a 5k, 10k or Half Marathon at Dorney Lake on Saturday 13th December 2025

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

09:30 am - All Distances

Included in the entry

Unique Themed Medal 

Chip Timed Results

Post-race goodies

Free race photos

See Course Maps HERE

With RunThrough you can expect a friendly team of marshals to help guide you round the course and cheer you on to the finish, a lively and well-serviced event village with plenty of food and drink options including excellent warm coffee and free goodies from our partners at the finish line after your hard effort.

We have been extensively researching what runners consider important, and sustainability is fast becoming the top issue. Click here to see what RunThrough is doing for sustainability.

ONCE YOU ENTER YOU WILL RECEIVE A CONFIRMATION EMAIL. MORE INFORMATION ABOUT WHERE TO COLLECT YOUR NUMBER WILL BE SENT CLOSER TO THE EVENT – ENJOY!