Run Dorney Lake Half Marathon, 10k & 5k January 2027

Sun, Jan 17, 2027
Dorney Lake, Windsor
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About

Join us for Run Dorney Lake Half Marathon, 10k & 5k on 17th January 2027
Run at the home of London 2012’s Olympic rowing events. Dorney Lake sits near the village of Dorney in Buckinghamshire, with wide water views and smooth paths that create a calm, PB-friendly setting. Choose your distance and enjoy clear wayfinding, friendly marshals, and a lively finish beside the lake.
The course is flat from start to finish, ideal for confident pacing over 5K, 10K, or the Half Marathon. Chip timing records every second, and you will round off your morning with refreshments and free partner goodies in the event village.

5k, 10k and Half Marathon

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Sun, Jan 17, 2027

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Windsor, United Kingdom

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4.7

(Reviews)

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Where and when

Location
Dorney Lake, Dorney Lake, Windsor SL4, UK
Start times
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 January 2027
5k
5 km
1 Loop
£29.40
10k
10 km
2 Loops
£31.50
Half Marathon
21 km
4 Loops
£35.70

Route information

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 or Half Marathon distance.
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

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 directions
PARKING/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

START TIMES
09:10 am - All races start
LAPS
5k - 1 lap
10k - 2 laps
Half Marathon - 4 laps + an extra out & back on each lap
CUT OFF
Everyone is welcome, Dorney is a great place for beginners as well as more experienced triathletes.
However, due to venue time restrictions, we must be off site by 13:30 so athletes must be finished by 13:00.
MINIMUM AGES
Standard Duathlon - 17 years old and above
Super Sprint & Sprint Duathlon - 15 years old 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.
Duathletes will be able to keep their bags to the side of the secure transition area.
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
To stay up to date with everything from Dorney, make sure to follow us on all our social media pages and if you would like to hear more from us via email make sure to sign up to our newsletter via the Dorney Lake Events homepage.
Make sure to tag us in any pictures or videos that you post and the best ones will be featured on our pages!
CONTACT EMAIL ADDRESS

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FAQs

Will there be a bag drop available at the Run Dorney 5k, 10k & Half Marathon?
Yes, there is a bag drop on site but you are advised to bring as little extra baggage as possible.
Will there be toilets at the Run Dorney 5k, 10k & Half Marathon?
Yes, there will be portable toilets next to the start/finish line.
Will there be water stations en route at the Run Dorney 5k, 10k & Half Marathon?
Yes, there will be water provided every lap and at the finish.
Can I wear headphones while I run the Run Dorney 5k, 10k & Half Marathon?
Headphones/earphones are not prohibited but strongly recommended against. Please be aware of pedestrians, cyclists, and dogs while running.

Reviews

4.7
5 reviews

33 Broadwick St, London W1F 0DQ

Reg number 10083277

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