
Book your place
Run Dorney Lake Half Marathon, 10k & 5k April 2027
Date
Saturday, 3 April 2027
Start Time
First race starts 00:00
Race Entry Summary
Event Video
About This Event
Join us for the Run Dorney Lake Marathon, Half Marathon, 10k & 5k on Saturday 26th September 2026
Join us for a 5k, 10k, Half Marathon or 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. Please note, due to venue restrictions there is a 4hr cut off on the marathon.
Race Day Schedule
- 09:10 amAll Distances
Marathon
Elevation - 54m | Laps - 8 + U-turn each lap | Terrain - Road
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
We have a 4 hour cut in place for our Marathon distance.
Included in the entry
This is a partner event. RunThrough memberships can be used for entry; however, once the event sells out, no additional places will be available, including for members. Please note there will be no RunThrough member desk, and member bibs cannot be used at this event.
Event Information
The route will follow the flat, tarmac paths around the Lake.
Cut-off time:
Please note, due to venue restrictions there is a 4hr cut off on the marathon. Please get in contact with us at info@runthrough.co.uk if you plan to take more than 4hrs to complete your race to discuss your options.
Minimum ages:
Marathon - 18 years and above
Half Marathon - 17 years and above
10k- 15 years and above
5k - 11 years and above


Our Partners
Questions about entries or race day?
Transfers, deferrals, age limits and the rest live on our FAQ page, not on each event.


Volunteer with RunThrough
Be part of race day, from the other side of the barrier
Hand out numbers, cheer at a water station or marshal the course. Every event you help at earns race credit or a kit voucher as a thank you.
- 5k / 10k£40 race credit or £20 kit voucher
- Half Marathon£65 race credit or £30 kit voucher
- Marathon / Ultra+£100 race credit or £40 kit voucher
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