Taking racing to the next level...

Dorney Lake Half Marathon

Dorney Lake Half Marathon

Dorney Lake is a world-class rowing and flat-water canoeing centre in a spectacular, 400-acre park land setting near Windsor. It hosted the Olympic and Paralympic Games in 2012. It provides the perfect venue for a run. 100% traffic free roads and paths, very flat very safe. Now in its 11th year, this is the premier Duathlon to take part in. The event is perfect for all levels of athletes. 

Distances & Prices 

Half Marathon

4 lap run course + out and back

*there is an additional proccessing fee with all online bookings.

Late entries
On the day of the event will include an additional £5 to the entry fee.

Event Location

Main Boathouse
Dorney Lake
Eton College Rowing Centre

How to Get There

Dorney Lake is ideally placed, being within easy reach of London, Heathrow Airport, the M4 corridor and the M25, M40 and M3 motorways. It is also well served by the rail network.

Car Parking

On arrival to the site follow signs to the event car park. Race registration and transition area are a quick walk from the car park; a perfect distance for warming those running legs up!  Once you are parked up please make your way to the Boat House where you will find the registration team waiting for you.

You will need to bring all your race kit with you, as you will be racking your bike immediately after registering.


Please note: Event timings are non-negotiable! It is your responsibility to be in the right place at the right time. The event will start at the below times, with or without you. 

Please see below for timings.





Site Open To Competitors

Do NOT Arrive Before This Time



Main Registration 
@ Boathouse


Event Briefing

Main Registration 
@ Boathouse


Half Marathon Race Starts

Next To Main Boathouse


1st Competitor Finish



Prize Presentation 

When Results Are Confirmed


Event Closes to competitors 


Event Registration

Event Registration is located within the Main  Boathouse at the far end of the lake. 

On arrival you will receive:

1  Bib number. To be worn on the front when you are running. (PLEASE FILL IN YOUR MEDICAL INFORMATION ON THE BACK)

2  Safety pins. To attach your bib to your running top. 

3  Timing chip. Attached to the back of your running bib.

Please note: It is advisable to arrive approximately 60 minutes before your start time. This then gives you plenty of time to register and understand the layout of the event.


Prizes will be awarded to the top three participants overall and the top runner in each of the veteran categories (V40/V50/V60/V70) for both males and females. Where possible, we will endeavour to present individual race prizes as soon as validated on the day.

Bespoke Medals for all finishers


We have changing rooms, showers and toilets all on site which are located inside the venue, next to registration. If you are looking for a hot drink or something to eat then the Dorney lake café upstairs will be open.

Bag Drop

Whilst we recommend bringing as little as possible, you can leave your belongings with us while you race using the tear-off baggage strip on your race number, collecting after you finish by presenting your race number.


  • Onsite car park
  • Chip timing
  • Sports cafe
  • Friendly marshals
  • Free parking
  • Live to web results
  • Secure baggage area
  • Ambulance services
  • Toilets
  • Photography
  • Nutrition
  • 5-10m public liability
  • Music
  • Bespoke Medals
  • Feed stations
  • Great location
  • Commentary
  • Prizes
  • Clearly marked course
  • Great event
  • Great atmosphere
  • Onsite retailers
  • Lead Cyclist