Marathon Prep - Dorney Lake

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Bring out your best marathon by preparing in this marathon replica. With a 16mi, 20mi, and 24mi on offer, this event is perfect to practice pacing and fuelling before the real thing. Race around Dorney Lake, a 2012 Olympic site. Come for the prep, flat course, or finisher's medal.
16 Miles, 20 Miles and 24 Miles
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Sun, 12 Sept 2021
View logistics
Windsor, United Kingdom
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Where and when
Windsor SL4 6FJ, UK
Start times
Sun, 12 Sept 2021
16 Miles:
8:30am |
20 Miles:
8:30am |
24 Miles:
Races summary
Here's what races are available for Marathon Prep - Dorney Lake
16 Miles
20 Miles
24 Miles
Route information
This marathon prep offers the perfect dress rehearsal with 3 distances on offer. Set just 3 weeks before the London Marathon, this event is host to perfect conditions to practice pacing, endurance, and fuelling.
The course is at the spectacular, flat and smooth-surfaced Dorney Lake near Windsor, home to some of Team GB's greatest Olympic achievements, and takes you around the perimeter of the water.
What's included
  • Chip-timed event
  • Finisher's Medal
  • Race photography
  • Marshalled course
  • Pacers
  • Fuel and water stations
  • Distance markers
  • Prizes for 1st, 2nd, 3rd of men and women
  • Prizes for winners of Veteran categories (V40, V50, V60, V70)
  • Post-race snacks and refreshments (available for purchase)
How to get there
Windsor SL4 6FJ, UK
Get full directionsExternalLink
Address: Eton College Rowing Centre, Dorney Lake, off Court Lane, Dorney, Windsor, SL4 6FJ
Parking available.
Event day logistics
07:00 Enquiries Open
08:00 24 Mile start
08:30 20 Mile start
09:45 16 Mile start
13:30 Finish
Participants will be set off individually at approximately 15 second intervals to ensure sufficient distance between runners. Your 15-30 minute start wave will be communicated to you before the event
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The Race Organiser
With an inventory of over 150 events each year, the Race Organiser is one of the most prominent event organisers in the country. Whether it’s running, cycling, or swimming events, TRO have succeeded in creating a community of all abilities, who come together time-and-time again to enjoy their shared passion. Their events are widely renowned for exceptional organisation and great marshals who will ensure that you have a truly amazing experience come race day.
View more The Race Organiser eventsExternalLink
Spectator Info
In order to keep staff and participants as safe as possible, spectators will not be permitted at the event.
Does the Marathon Prep - Dorney Lake event have a time-limit?
While there is no strict time limit, the organiser will start to deconstruct the registration/finish area at approximately 1:30pm. Participants must complete their race by this time.
What are the age limits for this the Marathon Prep - Dorney Lake event?
Participants must be 18 years of age to participate.
Will there be changing rooms or showers at the event?
No, no changing or shower facilities will be available. Please arrive ready to run.
Can I wear headphones to run?
Noise-cancelling Earphones/Headphones are prohibited and the organisers discourage the use of other earphones/headphones at this event, participants choosing to use them should ensure they are set to a minimum volume such that instructions from marshals or other event officials can be clearly understood.
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