2.5KM, 3.8KM, 5KM & 10KM

swim long logo eton dorney white.png

Eton Dorney - Sunday 20th September 2026

NEWS FLASH: Votwo athletes and supporters can enjoy 15% off ZONE3 merchandise when shopping directly on the ZONE3 website: https://zone3.com/. Shop ZONE3 now and use code VOTWO to save 15%.

Introduction:

The Olympic venue, Eton Dorney, offers a beautiful lake with clear lines of view. The venue is private and specifically hired for the purpose.

Distances and Prices:

  • 2.5km - £35

  • 3.8km - £40

  • 5km - £45

  • 10km - £55

Schedule:

  • 11:30. Venue open to swimmers for registration

  • 12:30. 10km Swim starts

  • 13:30. 5km Swim starts

  • 14:00. 3.8km and 2.5km Swim starts

Start format:

Starts will be a mass floating start on completion of the event breifing.

Location:

Dorney Lake, Eton College Rowing Centre, off Court Lane, Dorney, Windsor, Berkshire, SL4 6FJ.

Facilities:

  • Chip Timing and live results

  • Water safety           

  • Hot showers and changing areas

  • Toilets

  • Event medics

  • Drinks and feed stations on course   

  • Cake and coke at the finish

  • Baggage storage in the registration tent

  • Finishers medals to be ordered when booking 

  • Event t-shirts / hooded tops to be ordered when booking 

  • Free car parking on site

Pre-event information pack:

It is a condition of entry to this event that you participate according to the instructions in the event information. We do not post out information.

Refunds/transfers:

 For full Votwo T&C's please click here. 

Timing Chips:

All swimmers will be issued with a timing chip. Please ensure you return the timing chip at the finish point.

Cut off times:   

  • 10km - 4hr 30mins   

  • 5km - 2hr 30mins

  • 3.8km - 2hr 10mins

  • 2.5km - 1hr 30mins

  • Swimmers over these times will be collected from the water and invited to return to the shore

Prizes:

ZONE3 prize vouchers will be awarded to the male & female winners of each distance:

  • 10km – £100 voucher

  • 5km – £60 voucher

  • 3.8km – £50 voucher

  • 2.5km – £40 voucher

 

“Brill Swim today. Thanks for making my first open water race a great one!”

— Glen Hawking

3.8KM Course map. X 1 Lap


2.5KM Course map. X 1 Lap

 

Swim Long Kit.

You can buy hoodies and t-shirts at the event and online.

*New Style* Blue T-Shirt. Swim Long. Eton Dorney
£16.00

Grab your official new style event T-shirt and wear it with pride! This lightweight, breathable tee is perfect for race day or as a memento of your achievement. Designed for comfort and printed with the Swim Long logo, it’s a must-have for all participants and supporters.

Please note: T-shirts are available for collection at the event only. They will not be posted.

Hoodie. Aqua Green. Swim Long
£45.00

The official Swim Long hooded sweatshirt. Made from high-quality DryBlend® with fleece-lined hood, it combines softness and durability—perfect for warming up, cooling down, or everyday wear.

Please note: All clothing is for collection only at the event. They will not be posted. Be sure to pick yours up on race day!

Please note that all merchandise is to be collected at the event. No items are posted.