Eton Swim

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Dorney Lake, Berkshire


Register Your Interest

Distances & Prices

The 2017 start list is now available here. If you have changed your mind about wearing a wetsuit, please tell us at the registration tent on the day. There is no need to email in to notify us at this late stage.

  • Open Water Lake Swim: 750m £30
  • Open Water Lake Swim: 1500m £35
  • Open Water Lake Swim: 3km £37
  • Open Water Lake Swim: 5km £43
  • Open Water Lake Swim: 10km £49
  • Entering in a group of 10 or more? You could save up to 25% – click here for more information.
  • If you would like to enter as a corporate group, click here for booking and enquiries.


About the event

The stunning venue for the 2012 Olympics is transformed into a festival of open water swimming!

Open water swimming in a venue like Dorney Lake is an amazing challenge whether you are an elite or a beginner with the event featuring four distances, from 750m up to the iconic 10k ‘swimmers marathon’. Dorney Lake, with its clear water, accurate marker points and clear lines of sight provides a great place to take on your first open water swim or go for a great time in one of the longer disciplines.

All swimmers will receive an event swim cap and an exclusive medal!

Event Benefits

  • Iconic and stunning Olympic venue
  • Clear water and accurate marker points
  • Unparalleled levels of water safety
  • Suitable for all abilities from beginner to elite
  • Great spectator event – your supporters can cheer you on from vantage points around the course
  • Event village with retail stands for any last-minute needs


  • Finisher’s medal
  • On course nutrition stations for the 10km swimmers
  • Swim cap
  • Shower facilities, changing rooms and lockers available in the boat house
  • Recovery Tent
  • Results texted to you as you cross the finish line
  • Free and ample parking


These are the start times for 2017.

Age Requirements

750m – Minimum Age 14 on Event Day
1500m – Minimum Age 16 on Event Day
3km, 5km, 10km – Minimum Age 18 on Event Day.



The Swim will not be cancelled if the temperature falls below 11 degrees.


Wetsuits are optional for all swimmers, and gloves and booties can be used.


1500m – All 1500m entrants must be able to complete the course in under 1 hour
3km – All 3km entrants must be able to complete the course in under 1 hour 30 mins
5km – All 5km entrants must be able to complete the course in under 2 hours 30 mins
10km – All 10km entrants must be able to complete the course in under 4 hours 30 mins



These results are provisional, and any queries should be sent to our Results Crew. These are compiled and any changes are shown in the final results here around a week after the event. If you are looking for results from previous years, please visit the main Human Race Results page.




Continuing our partnership with Zone3 for 2017, they are here to offer you one of the fastest ranges of wetsuits on the market to hire or buy, perfect for our events.

Zone3 - Hi Res - Lifestyle (169)Zone3 has quickly become one of the most exciting and successful brands on the market thanks to its high performance products which year on year have achieved the highest industry reviews based on speed, comfort, price point and innovation.

Zone3 are offering their Advance wetsuit as part of their hire service for Human Race events. The Advance has won many awards including 220 Triathlon magazine’s “Best Buy” award and has become the market leader for first-timers and those on a budget. The suit is made from super flexible, highly buoyant neoprene for an assured swim performance.

You can purchase or hire a Zone3 wetsuit to make sure you’re fully prepared for your event at the Human Race Hub here.

Please note: the booking deadline to get your wetsuit in time for the event is 5.30pm the Wednesday before the race.


We are often asked if wetsuits have to be worn at our events. But the wearing of wetsuits in triathlon is governed by British Triathlon rules and is totally dependent on water temperature one hour before the start of the event.

Water Temperature Wetsuit Rule
Water Temp less than 14 degrees Wetsuits are COMPULSORY
Water temp 14 – 22 degrees Wetsuits are OPTIONAL
Water temp above 22 degrees Wetsuits are BANNED

We do say that wetsuits in fact help with buoyancy and warmth, so we strongly recommend that you wear one if they are optional. We will keep you updated with water temperature as we get closer to the event but at Dorney Lake it is almost always an optional wetsuit swim.

Sigma Sport Checklist

You’ve done all the hard work training and with the big race fast approaching now’s the time to double check you have all the equipment you need to perform at your best. Sigma has put together this handy checklist to make sure there are no surprises on race morning. Everything is available with the click of a mouse with free UK delivery – and Sigma can even guarantee next day delivery for a little more!

Sigma Stacked Black

  • Wetsuit: click here
  • Goggles: click here
  • Bodyglide: click here
  • Tri suit: click here
  • Towel: click here
  • Swim accessories: click here

For a great range of triathlon brands and products, visit

Travel & Accommodation

Event Hotel

MarriottWindsorx240The official event hotel is the Heathrow/Windsor Marriott Hotel.

Located within easy reach of Heathrow Airport, 20 minutes from Twickenham Stadium, Royal Windsor & close to Dorney Lake, M4 and M25 motorways, the Heathrow Windsor Marriott Hotel is a convenient hotel to be based when exploring the local area and is ideal for before or after your event. Royal Windsor is only 5 minutes by car where you can see Windsor Castle and all this lovely historic town has to offer, and London is also within easy reach by bus or train. Other local attractions near this hotel include Eton, Legoland and racecourses at Ascot and Windsor.

After a day of sightseeing, take a dip in the hotel swimming pool, sauna or steam room and indulge in one of their superb dining options, including the Brasserie Centrale Restaurant, Pizza Da Marco or Chats Bar.

Heathrow/Windsor Marriott Hotel
Ditton Road

Eton College Rowing Centre, Dorney Lake, Windsor, SL4 6QP

The event will be held at the Olympic rowing venue for the 2012 Olympic Games.

Full on-site parking means you can come and go while the event is taking place, we have showers and toilets aplenty and there is catering in the Boathouse.

Detailed Road, Rail and Taxi Instructions HERE

Accommodation Booking Service

Windsor and Maidenhead CrestIf you require accommodation we recommend using the Royal Borough of Windsor & Maidenhead’s accommodation booking service.


The service operates seven days a week and offers you:


  • Extensive local knowledge of Windsor, Maidenhead, Ascot and surrounding areas
  • A match service for your personal requirements
  • Preferential prices
  • A fast and efficient service
  • Known availability
  • Confirmation of booking.

Tickets to major attractions are also available through the Concierge box office service so why not let them help you to make the right choice and ensure your stay is a memorable one!

Accommodation Hotline: +44 (0)1753 743907

Charity & Fundraising

Sue RyderSue Ryder are the official charity of the Human Race Swim Series. Sue Ryder are there for people and their loved ones, whether it’s bringing comfort to someone’s final days or enabling them to make the most of their life. In Berkshire alone, there are 200,000 people living with an incurable illness right now. We need your help to continue offering support in our hospices, neurological care centres and in the community. Tick the fundraising box when entering your swim to join Sue Ryder’s Team Incredible or set up a fundraising page through JustGiving.

Just GivingIf you’re looking for a way to make your event count, why not raise money for a cause you care about? Head to JustGiving, make a fundraising page in a few simple steps, and share it far and wide by email and social media.

Make your Eton Swim JustGiving page