Dorney Duathlon & Triathlon | October
Sat 3 Oct 2026 Windsor, Buckinghamshire

Dorney Duathlon & Triathlon | October

Take on a Super Sprint, Sprint or Standard distance and embrace the opportunity to race around this unique and inspiring Olympic venue!!This event is draft-illegal.

Sign up for £45-£120

8 races

  • Sat 3 Oct
  • #1 of 8
Dorney Lake, Windsor

Super Sprint Distance Duathlon

09:10

Age 15 & over

£45-£65

  • 2.5 km road running
  • 10 km road cycling
  • 2.5 km road running
  • Sat 3 Oct
  • #2 of 8
Dorney Lake, Windsor

Sprint Distance Duathlon

09:10

Age 15 & over

£55-£75

  • 5 km road running
  • 19 km road cycling
  • 2.5 km road running
  • Sat 3 Oct
  • #3 of 8
Dorney Lake, Windsor

Standard Distance Duathlon

09:10

Age 17 & over

£65-£85

  • 10 km road running
  • 38 km road cycling
  • 5 km road running
  • Sat 3 Oct
  • #4 of 8
Dorney Lake, Windsor

Super Sprint Distance Triathlon

11:00

Age 15 & over

£58

  • 400 m lake swimming
  • 10 km road cycling
  • 2.5 km road running
  • Sat 3 Oct
  • #5 of 8
Dorney Lake, Windsor

Sprint Distance Triathlon

07:30

Age 15 & over

£78-£99

  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
  • Sat 3 Oct
  • #6 of 8
Dorney Lake, Windsor

Standard Distance Triathlon

08:30

Age 17 & over

£99-£120

  • 1500 m lake swimming
  • 40 km road cycling
  • 10 km road running
  • Sat 3 Oct
  • #7 of 8
Dorney Lake, Windsor

Sprint Distance Aquabike

07:45

Age 15 & over

£68

  • 750 m lake swimming
  • 20 km road cycling
  • Sat 3 Oct
  • #8 of 8
Dorney Lake, Windsor

Standard Distance Aquabike

08:45

Age 17 & over

£89

  • 1500 m lake swimming
  • 40 km road cycling

Event overview

The flat and scenic grounds lend themselves to a totally flat bike and run course. 

With closed roads, it's the ideal venue for those wanting to race to a chip-timed personal best and equally for those who don't like racing on open roads.

Highlights

  • Clearly marked run course with accurate distance flags
  • Plenty of marshals on the run and bike routes for guidance and encouragement
  • Excellent spectator viewing from the balcony café overlooking transition
  • Multi-lap course ideal for supporters to cheer you on

Event community

Chris B.

Chris B.

  • Average fitness
  • Beginner-friendly
  • Event village
  • Spectators
  • Teams

Ability

This event is open to everyone, regardless of ability.

Kit list

A helpful checklist of kit requirements is readily available.

  • Cafe
  • Free parking
  • Secure bag storage
  • Toilets

Event HQ

Dorney Lake
Off Court Lane, Lake End Road
Windsor
Buckinghamshire
SL4 6FJ
UK

Great event, really well run! Definitely worth doing. Fred P

  • Public transport links
  • Recycling
  • Sustainability policy

Here are the ways this event cares for the environment:

Summary

  • Recycling bins
  • Recycling gets separated from general waste
  • Finish line water bottles made from recycled material
  • Refill taps are provided so participants can bring their own bottle and fill up during the event
  • The choice of paper cups at water stations
  • Signage including course marking attached with reusable garden wire instead of plastic cable ties
  • 'Dynamic bib assignment’ removes the need for envelopes, sticker labels and excess waste
  • Bike racking is provided to promote cycling to the events

Races at event

  • Sat 3 Oct
  • #1 of 8
Dorney Lake, Windsor
Super Sprint Distance Duathlon

09:10

Age 15 & over

£45-£65

  • 2.5 km road running
  • 10 km road cycling
  • 2.5 km road running
  • Sat 3 Oct
  • #2 of 8
Dorney Lake, Windsor
Sprint Distance Duathlon

09:10

Age 15 & over

£55-£75

  • 5 km road running
  • 19 km road cycling
  • 2.5 km road running
  • Sat 3 Oct
  • #3 of 8
Dorney Lake, Windsor
Standard Distance Duathlon

09:10

Age 17 & over

£65-£85

  • 10 km road running
  • 38 km road cycling
  • 5 km road running
  • Sat 3 Oct
  • #4 of 8
Dorney Lake, Windsor
Super Sprint Distance Triathlon

11:00

Age 15 & over

£58

  • 400 m lake swimming
  • 10 km road cycling
  • 2.5 km road running
  • Sat 3 Oct
  • #5 of 8
Dorney Lake, Windsor
Sprint Distance Triathlon

07:30

Age 15 & over

£78-£99

  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
  • Sat 3 Oct
  • #6 of 8
Dorney Lake, Windsor
Standard Distance Triathlon

08:30

Age 17 & over

£99-£120

  • 1500 m lake swimming
  • 40 km road cycling
  • 10 km road running
  • Sat 3 Oct
  • #7 of 8
Dorney Lake, Windsor
Sprint Distance Aquabike

07:45

Age 15 & over

£68

  • 750 m lake swimming
  • 20 km road cycling
  • Sat 3 Oct
  • #8 of 8
Dorney Lake, Windsor
Standard Distance Aquabike

08:45

Age 17 & over

£89

  • 1500 m lake swimming
  • 40 km road cycling
4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.