Run Dorney Lake Half Marathon, 10k & 5k February 2026
Sat, Feb 7, 2026
Dorney Lake, Windsor

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Run Dorney Lake Half Marathon, 10k & 5k February 2026
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Booked 33 times in the last week
Booked 33 times in the last week
About
Soak in the beautiful winter sun as you spin round the Run Dorney Lake 5k, 10k & Half Marathon. This morning run is perfect for runners of all levels with a lapped course and multiple distances on offer. Come for the bespoke finisher's medal.
5k, 10k, Half Marathon, and 1 more
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Sat, Feb 7, 2026
View logistics
Windsor, United Kingdom
View location
4.9(Reviews)
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Where and when
Location
Dorney Lake, Dorney Lake, Windsor SL4, UK
Start times
Saturday, Feb 7, 2026
5k: 9:10 AM10k: 9:10 AMHalf Marathon: 9:10 AM
Event summary
Here are the distances available for Run Dorney Lake Half Marathon, 10k & 5k February 2026
5k
5km
1 Loop
£28
10k
10km
2 Loops
£30
Half Marathon
21km
4 Loops
£34
RunThrough Foundation
£80
5k
5km
1 Loop
£28
10k
10km
2 Loops
£30
Half Marathon
21km
4 Loops
£34
RunThrough Foundation
£80
Route information
The course is fast and flat, so feel like an Olympian as you race under the shadows of the Olympic rings.
The course will be run on roads and paths and each loop is roughly 5k, participants will run a varying amount of laps of the lake depending on their distance.
Course Details & Maps
Elevation - 27m | Laps - 4 + U-turn each lap | Terrain - Road
Elevation - 15m | Laps - 2 | Terrain - Road
Elevation - 8m | Lap - 1 | Terrain - Road
What's included
- Finisher's Medal
- Chip-timed results
- Marshalled course
- Refreshment station
- Aid station
- Bag drop
- Free race photos
How to get there
Dorney Lake, Dorney Lake, Windsor SL4, UK
Get full directionsPARKING/TRAVEL
Free parking is available at Dorney Lake and will be signposted as you enter the venue. Please bear in mind there could be up to a 20-minute walk to registration depending upon which car park you find yourself in so we advise you to leave plenty of time for arrival.
Nearest Train stations: Slough and Windsor & Eton Riverside
Event day logistics
09:10 am - All races start
12:10 pm - Race End
CUT-OFF TIME
No, everyone is welcome, however please get in contact with us at info@runthrough.co.uk if you plan to take more than 3hrs to complete your race as we may need to make special arrangements around the course and event village.
MINIMUM AGES
Half Marathon - 17 years and above
10k- 15 years and above
5k - 11 years and above
BAGGAGE
We will have a secure marquee where you can leave your baggage. We recommend you bring as little baggage as possible. Your baggage tag is attached to your race number, you simply tear it off and attach it to your bag. To collect, show your number to our staff and they will help you find your baggage.
TOILETS
There will be portaloos available in the event village next to the boathouse. The toilets are a short distance from the transition area.
REFRESHMENTS
There will be a water station available on each lap of the 5k course (at around the 2.5km mark). There will also be a bottle of water waiting for you at the finish line. We recommend bringing your own water with you to stay hydrated in the lead up to the event and running with a hydration where possible.
RESULTS
Results will be available here immediately after the race.
PICTURES
We will have an official photographer at the event, please check out our photos page after the race.
SOCIAL MEDIA
RunThrough South / Dorney Triathlon
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CONTACT EMAIL ADDRESS
Reviews
4.9
9 reviews
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