Eton Evening Triathlon - 16th Aug

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Eton College, Windsor, SL4 6QP - View Location 

Race at the Olympic venue at Eton Dorney. The Eton Evening Triathlon is the perfect after work stress buster or mid-week racing fix. Held on Wednesday evening one time only this year!


  • Individual - Sprint - 750m/19.2km/5km - £45.00
  • Team - Sprint - 750m/19.2km/5km - £60.00

Wednesday, Aug 16th


  • 16:00 - Race registration opens (stays open until the last wave starts)  
  • 17:50 - Race briefing for wave 1  
  • 18:00 - Wave 1 starts  
  • 18:20 - Race briefing for wave 2  
  • 18:30 - Wave 2 starts  
  • 18:50 - Race briefing for wave 3  
  • 19:00 - Wave 3 starts
  • 19:05 - Berkshire Triathlon Club

3 waves for the evening event as per the above timings.  If you are late for your wave please let the registration staff know and they will be able to change you to a later wave if possible. 

Flat and very, very fast! Dorney Lake is renowned for its traffic free, smooth tarmac course. Perfect setting for first-time racers and great mid-week race sessions for more experienced athletes.   

Swim Course:
750m, 1 clockwise lap in what's known as the return lake. rectangle course with the swim exit under the bridge and up the grass slope. The water is very clean and clear. The lake tends to warm up very quickly after a few days of sunshine. Course marked by large inflatable buoys. Keep these to your right.  

Bike course:
19.2km. Anticlockwise, 4 lapped course around the 'return lake'. Each lap is 4.8km long. Ride on the left-hand side and overtake on the right. No drafting or riding as a group.  

Run Course:
5km. Out and back, 2 laps, turn at the flags. Finish under the gantry. Drink station at the close lap turning point. 

Pre-event Info Pack:
The 2016 event information link is available below this text. This will give you a good overview of the event.  Please be aware 2017 details could change. The 2017 info will be available approx 2 weeks pre-event. All entrants will be emailed a reminder to read the event information. 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.


Event Participation Form:

All participants must fill in the form on the following link before they turn up to the event.


  • Event T-shirt  
  • Swim hat     
  • Chip timing to ensure quick, reliable results  
  • Live results straight to you mobile   
  • Free car parking  
  • Water safety cover  
  • Traffic free bike course     
  • Toilets 

Team / Relay:
Teams of 3, One swims, one bikes and one runs.  
Hand over the timing chip in the transition area. Team entry costs £60 plus booking fee 


  • Male and Female Senior  
  • Male and Female Vet (40 and over) 

Online Entry:

To enter the event please use the drop down option above and select the correct date and wave, then add to cart. Stated price includes VAT.

Event Rules:

  • All participants must read and adhere to the directions given in the pre-event information pack.  
  • Wetsuits and issued swim hats are mandatory for all swimmers.  
  • All cyclists must wear a correctly fitted BS-EN cycle helmet.  
  • Cycles must have working front and rear brakes and all equipment must be in good serviceable order.  
  • Drafting and riding in groups is not permitted.  
  • All cyclists will adhere to the rules and regulations of the highway code. Details can be found here 
  • Participants are to be responsible for completing the correct amount of laps for each discipline.    
  • Minimum age is 16 years old.



Swim Route:

Bike Route:

Run Route: