By using this website you agree to our
First header image
Second header image

Eton Dorney Triathlons

Booked 30 times in the last week
£45.00 - £83.00Free injury protection
Event summary

Bask under the Olympic Rings at this fast and flat triathlon event at Dorney Lake, host of the 2012 Olympic rowing events. Whether you're here to try for a PB or because you want to feel like an Olympian, this event has distances for all levels.

Your organiser

Votwo Events & Adventure Ltd organise sporting events including Triathlons, Duathlons, Trail Running Challenges, Running Races, Open Water Swims, Adventure Runs, and Aquathlons. Votwo Ltd coach athletes to achieve their goals and operate the Porsche Human Performance Centre at Silverstone - a specialist sports science lab dedicated to improving the performance of motor racing drivers and endurance athletes.

We’re always looking for volunteers to help make these events epic.
Find out more

How to enter

Tickets available until Thu Sep 23 2021

What's included:

  • Finishers medal
  • Great traffic-free location
  • On-site free car parking
  • Water safety cover
  • Chip-timed, live online results
  • Water stations
  • Toilets
  • Event medics
Booked 30 times in the last week
Benefits of booking with Let's Do This

Official booking partner


Best price guarantee

We're #1 in customer satisfaction -

Stay up-to-date
Get email updates about this event.
Be the first to review
How was the event?
Frequently asked questions
Can I enter one of the distances at the Eton Dorney Triathlons as part of a team?
Yes, teams of 3 can enter the event with one member each completing a different leg of the event.… read more
Will there be somewhere to park at the Eton Dorney Triathlons?
Yes, there will be free parking on-site.… read more
Will there be toilets at the Eton Dorney Triathlons?
Yes, there will be toilet facilities at the event.… read more
Route description
Route description

Dorney Lake, home to the London 2012 Olympic Rowing events, is know for its fast, traffic-free, flat tarmac course. Triathletes will love this quick course, whether it's their first triathlon or they are shooting for a PB.

Swim Course

This 750m clockwise, rectangular course takes swimmers right from the swim exit into transition. The water is very clean and clear. The lake tends to warm up very quickly after a few days of sunshine. The course marked by large inflatable buoys. Keep these to your right.

  • Super Sprint - 1/2 lap
  • Sprint - 1 lap
  • Standard - 2 laps

Bike Course

Anti-clockwise lapped course around the return lake, with each lap being 5k long. Ride on the left-hand side and overtake on the right.

There is no drafting or riding as a group. It is advisable to use a GPS or bike odometer to aid in counting laps.

  • Super Sprint - 2 laps
  • Sprint - 4 laps
  • Standard - 8 laps

Run Course

The run section is a clockwise, looped course using the lakeside path and returning on the estate road. There will be drinks stations at the far and close turn points.

  • Super Sprint - 1/2 lap
  • Sprint - 1 lap
  • Standard - 2 laps
Logistics and schedule


08:00 Wave 1 - Standard (Males 16 - 39)

08:30 Wave 2 - Standard (Males 40+ and Teams)

09:15 Wave 3 - Standard (Females)

10:00 Wave 4 - Sprint (Males 16 - 39)

10:30 Wave 5 - Sprint (Males 40+ and Teams)

11:00 Wave 6 - Sprint (Females)

11:30 Wave 7 - Super Sprint (Mixed and all ages)

Entrants must be at at the race briefing which takes place 10 minutes before the event in the swim start area.

How to get there

Windsor SL4 6FJ, UK

Get directionsExternalLink


There is free parking on-site available for participants.

Frequently asked questions
Booking related questionsDo you have a question about bookings, cancellations, or refunds?

Interested in volunteering at this event?

Organisers are always looking for an extra pair of hands and there are plenty of roles to fill!

Complete this short form and the organiser will be in touch.

By submitting, you’re accepting that we’ll pass your details onto the event organiser. We won’t pass your details onto anyone else.

£45.00 - £83.00Free injury protection

© Let's Do This 2021