Dorney Lake Triathlon September 2025

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Dorney Lake Triathlon September 2025
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£34.65 - £103.95
About
Find your inner Olympian and take on this triathlon at the iconic Dorney Lake. Great for triathletes of all levels, the course makes full use of the 2012 Olympic rowing and canoeing venue. Come for the bespoke finisher's medal or for the physical challenge.
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Sprint Triathlon, Sprint Aquabike , Sprint Relay, and 4 more
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Calendar
Sat, Sep 27, 2025
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Windsor, United Kingdom
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Where and when
Location
Dorney Lake, Dorney Lake, Windsor SL4, UK
Start times
Saturday, Sep 27, 2025
Sprint Triathlon: 7:30 AMSprint Aquabike : 7:45 AMSprint Relay: 7:45 AMStandard Triathlon: 8:30 AMStandard Aquabike : 8:45 AMStandard Relay : 8:45 AMSuper Sprint Triathlon: 10:00 AM
Event summary
Here are the distances available for Dorney Lake Triathlon September 2025
Sprint Triathlon
Swim
0.75km
Bike
20km
Running
5km
£81.90
Standard Triathlon
Swim
1.5km
Bike
40km
Running
10km
£103.95
Sprint Aquabike
Swim
750m
Bike
20km
£71.40
Standard Aquabike
Swim
1500m
Bike
40km
£93.45
Route information
This stunning Olympic venue is where Team GB won Bronze for Rowing in 2012 and it has held host to a variety of high-performance events since.
All participants will begin their event with a 0.4km or 0.75k swim before heading to their transition area and beginning their bike stage.
Those in the sprint event will bike 10km while those in the standard event will cycle 20km around the Dorney event site. There are fantastic views to take in throughout before participants head onto the 2.5k or 5k run
Each discipline will be accurately marked out with distance markers and arrows to guide you in the right direction and inform you of how far you've come. There will also be marshals stationed throughout the course for safety reasons and of course to cheer you on.
What's included
  • Unique Finisher's Medal
  • Chip-timed results
  • Post-race snacks
  • Free event photography
  • Marshalled course
  • Way-marked route
  • Prizes for category winners
Train
How to get there
Dorney Lake, Dorney Lake, Windsor SL4, UK
Get full directionsExternalLink
Parking
There is plenty of free parking available on-site.
By Public Transport
Unfortunately, Dorney Lake is not very accessible by public transport.
The nearest train station to the start is Windsor & Eton Central, situated 3 miles away. From the station, walk to Brocas Street to ride the 15 bus towards Maidenhead Town Centre, alighting at The Palmer Arms PH. Dorney Lake is a 25-minute walk from here.
Event day logistics
7:30am – Sprint Tri –Under 50 ‘Open’ category
7:45am – Sprint Tri – 50 and Over ‘Open’ category & All Female category & All Sprint Relays & All Sprint Aquabike
8:30am – Standard Tri – Under 50 ‘Open’ category
8:45am – Standard Tri – 50 and Over ‘Open’ category & All Female category & All Standard Relays & All Standard Aquabike
10:00am - Super Sprint Tri
**Categories based on age at 31st December 2024**
*Please arrive at least 45 minutes before the start of the race to allow enough time to register, set up your transition area and warm up.
Race Packs
Race Packs must be collected on the day of the event, before the start of your race, from registration. Please be aware that you will not receive anything in the post.
Bag Drop
There will be an informal bag drop at the event village where participants can leave their belongings.
Crowds
Spectator Info
Spectators are strongly encouraged to come along, as they are integral to creating a supportive and energetic atmosphere for the runners.
The course is also lapped meaning spectators will be able to see runners on multiple occasions.
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£34.65 - £103.95
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8th Floor, Orion House, 5 Upper St Martins Lane,

London, WC2H 9EA

Reg number 10083277

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