Sunday 11th August 2019.
The sprint distance race will begin at 07:00AM. The Standard distance race will begin at 07:15AM
This event will feature sprint and standard distances.
Athletes of all abilities can enter this triathlon.
Online entries:Pay by major credit/debit cards
If you would also like to support this race then contact us at
Race numbers and timing chips will be collected at Dorney Lake on the morning of the race. Registration will open at 05:40AM and close at 06:40AM. Bikes must be racked and transition will be cleared of competitors by 06:45AM. Please arrive in plenty of time to collect your registration pack and set up in transition.
Detailed race notes will be sent out a week before the race.
Dorney Lake Triathlon
Sprint: 750m open water swim, 20k bike and 5k run. Standard: 1500m open water swim, 40k bike and 10k run
The Bike course and run course are both pancake flat!
Yes - minimum 2 and maximum 3. When registering please order athletes as 1. swim, 2. bike, 3. run
Water will be provided and at the end of the race and on the run laps
15 - sprint, 17 - standard (As of 31st December 2019)
ATW & RunThrough
a) The higher of a £1 / 6% service fee will be applied at the checkout. b) A £5 BTF licence fee is payable on the morning of the race for non-BTF members.
Medal for all finishers
Overall 1st, 2nd, 3rd male and female prizes
Age group prizes in in BTF 10 year bands for fastest male and female in each age group
The race starts and finishes in the same location at Dorney Lake in Windsor
The race consisits of an open water swim, a traffic free and safe bike course and a run course that goes out and back along the lake.
ActiveTrainingWorld have free training plans to help you train for this event: