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TRI Challenge Triathlon

Event passed
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Event summary

Wrap up your summer the right way with the TRI Challenge at Dorney Lake. The sprint distance triathlon takes place at the wonderful Olympic venue, with calm waters and closed roads creating a perfect Triathlon venue. Come along to experience this fun race with a brilliant atmosphere.

Your organiser

Fix Events have over a decades worth of experience within the endurance events space, and organise over 70 events per year, varying from running to triathlons to charity events. Their events are well-known for their friendly atmosphere, which makes them great for participants of all abilities and they’re also hosted throughout all of the UK’s major cities - making them easily accessible to everyone. On top of their staple events calendar, the Fix have partnered with charities such as the Movember Foundation, where they delivered over 20 MoRuns throughout the month to thousands of runners.

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How to enter

Tickets available until Sat Sep 04 2021

What's included:

  • Finisher's medal
  • Free Parking
  • Electronic chip timing
  • Instant race results
  • Olympic venue
  • Toilets and showers
  • Prizes for top finishers
  • Bag drop
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Frequently asked questions
Triathlon Event Types
Triathlon Event Types
Running in London Parks
Running in London Parks
Route description
Route description

This triathlon at the Dorney Lake Olympic venue is the perfect triathlon for athletes of all abilities. The course offers clean and calm lake waters and a fast and flat closed road bike & run route, making your event worry-free and a ton of fun.


Swim 400m

Bike 20k

Run 5k

The cycle will be completed over 3 x 5k laps of the lake, with the run completing 1 lap. This is a brilliant event for anyone new to the sport of Triathlon, or anyone looking for a warm up race for longer distances later in the year. The Fix Events team will no doubt be encouraging you all the way round, creating a wonderful, friendly atmosphere.

Logistics and schedule

07:30-09:45 Registration

09:50 Bikes must be racked by this time

10:00 Race Starts

Race Information

Once you have entered the event, you will receive an email including all necessary information for the race.


You will receive race numbers and timing chips at registration on the morning.

British Triathlon Association

Please be aware that if you are not BTA registered you have to pay a £5 levy at registration. If you are BTA registered please remember to bring your license.


Please take your bike to be racked once you have registered, all bikes must be racked before 08:55.


All competitors must wear a wetsuit for their swim, and must bring their own bike and helmet for the cycle.


Please be aware that for your cycle section, no drafting will be allowed.

How to get there

Dorney Lake, Dorney Lake, Windsor SL4, UK

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By Car

Dorney Lake is easily accessible from Junction 7 of the M4, and comfortable driving distance from London.


There will be plenty of parking available, however, please note that the road will be closed at 09:15. Anyone arriving after this time will have to park in the top car park and walk down.

By Train

Windsor & Eton Riverside/Central is the closest station to the venue, approximately 3 miles away. It is also near Slough, Burnham, Taplow and Maidenhead. From these stations you can get a taxi or if with a bike you can ride to the venue. Please plan your travel in advance to make sure you have plenty of time.

Frequently asked questions
Do I need to be registered with the British Triathlon Association to race in the TRI Challenge Triathlon?
If you are not BTA registered you can of course take part but you have to pay a £5 levy at registration on raceday. If you are BTA registered please remember to bring your license.
When will I receive my race pack for the TRI Challenge Triathlon?
Race packs, including your timing chip and race number, are collected on the day from registration which opens at 07:00 and closes at 08:50.
What facilities will be available for the TRI Challenge Triathlon?
There will be free parking on-site, as well as toilets, showers and a bag drop.
How does the transition work at the TRI Challenge Triathlon?
Once you register on the morning of the race, you will be required to rack your bike in the transition area before 09:50am.
What time do the roads close at the TRI Challenge Triathlon?
The road will be closed at 10:15am. Anyone arriving after this time will have to park in the top car park and walk down.
Booking related questionsDo you have a question about bookings, cancellations, or refunds?
Sprint Triathlon
10:00am Sat 11th Sep 2021
Event passed
See results and photos

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