Dorney Lake Duathlon December 2026
Sat, Dec 12, 2026
Dorney Lake, Windsor
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Dorney Lake Duathlon December 2026
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Booked 1 time in the last week
Booked 1 time in the last week
About
Cruise around Dorney Lake this winter in this brilliant duathlon brought to you by RunThrough. A perfect event for those looking to try out multi-sport racing, this flat course is great for all. Come wind down towards the end of the year or finally tick off that 2026 new year's resolution.
Sprint Relay, Standard Relay, Super Sprint Relay, and 4 more
View details
Sat, Dec 12, 2026
View logistics
Windsor, United Kingdom
View location
4.7(Reviews)
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Where and when
Location
Dorney Lake, Dorney Lake, Windsor SL4, UK
Start times
Saturday, Dec 12, 2026
Sprint Relay: 9:10 AMStandard Relay: 9:10 AMSuper Sprint Relay: 9:10 AMSprint Duathlon: 9:10 AMStandard Duathlon: 9:10 AMSuper Sprint Duathlon: 9:10 AM
Event summary
Here are the distances available for Dorney Lake Duathlon December 2026
Sprint Relay
5km
19km
2.5km
£65
Standard Relay
10km
38km
5km
£75
Super Sprint Relay
2.5km
10km
2.5km
£65
Sprint Duathlon
5km
19km
2.5km
£55
Sprint Relay
5km
19km
2.5km
£65
Standard Relay
10km
38km
5km
£75
Super Sprint Relay
2.5km
10km
2.5km
£65
Sprint Duathlon
5km
19km
2.5km
£55
Route information
Participants will bike and run around the perimeter of the beautiful Dorney Lake.
There are fantastic scenes to take in at every turn on an easily navigatable tarmac surface.
There will be a transition area available on the course for the switch between Bikes and Running.
Course Details & Maps
Super Sprint Duathlon
2.5km Run | 9.5km Bike - 2 Laps | 2.5km Run
Elevation - 20m | Terrain - Road
Sprint Duathlon
5km Run | 19km Bike - 4 Laps | 2.5km Run
Elevation - 40m | Terrain - Road
Standard Duathlon
10km Run | 38km Bike - 8 Laps | 5km Run
Elevation - 80m | Terrain - Road
Bike Map here
10k Run Map here
5k Run Map here
What's included
- Finisher's Medal
- Chip-timed results
- Marshalled course
- 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
11:00 am - Race End
MINIMUM AGES
There are age requirements for the following races:
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.
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
FAQs
How old do I have to be to enter the Dorney Lake Duathlon?
There are age requirements for the following races: Standard - 17 or over Sprint - 15 or over
Will there be a bag drop available at the Dorney Lake Duathlon?
There will be a secure area where bags can be left, though it is recommended that you bring as little baggage as possible. Your bag tag is attached to your race number which you can tear off and attach to your bag.
Can spectators come to the Dorney Lake Duathlon?
Spectators are strongly encouraged to come along, as they are integral to creating a supportive and energetic atmosphere for the Duathletes.
Reviews
4.7
6 reviews
Smiths Building, Lower Ground Floor, 179 Great Portland St,
London, W1W 5PL
Reg number 10083277
