Dorney Lake : 5km, 10km, 15km, Half Marathon

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Dorney Lake : 5km, 10km, 15km, Half Marathon
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Bring out your best marathon by preparing thoroughly for your big race day. Our Marathon Prep offers the perfect race day rehearsal and long run training in one event with options for 16, 20 or 24 mile distances.Scheduled 4 weeks before the Virgin Money London Marathon and conveniently before other major marathon events, both in the UK and internationally, we'll provide the ideal conditions to practice your pacing, fuelling and endurance amongst hundreds of other runners to help you head into your marathon feeling prepared and confident.
24 Miles, 20 Miles and 16 Miles
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Sat, 5 Sept 2020
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Dorney, United Kingdom
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(7 Reviews)
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The event experience

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Where and when
Dorney Lake, Court Ln, Dorney, Windsor SL4 6QP, UK
Start times
Saturday, 5 Sept 2020
24 Miles: 9:30 am20 Miles: 9:30 am16 Miles: 9:30 am
Event summary
Here are the distances available for Dorney Lake : 5km, 10km, 15km, Half Marathon
24 Miles
£23 - £25
20 Miles
£23 - £25
16 Miles
£23 - £25
Route information
This mixed-distance event is set at the stunning Dorney Lake, just outside of Windsor. The course will spans right along the waters edge and loops around the circumference of this iconic Olympic venue.
Given the completely flat nature of the course, this is the perfect opportunity to smash your PB. Take inspiration from Team GB's London 2012 success and sign up for this epic event.
The course will be well marshalled and clearly distance marked throughout, with a number of refreshment stations to keep hydrated.
This event will have pacers for the first 20 miles, running at marathon speeds of between 2hrs 45mins and 5hrs 30 mins.
Details of individual races can be found below:
16 mile - 4 laps
20 mile - 5 laps
24 mile - 6 laps
Organiser route images
What's included
  • Chip-timed event
  • Course marshalled
  • Distance markers
  • Refreshment stations
  • Post-race snacks
  • Race pacers
How to get there
Dorney Lake, Court Ln, Dorney, Windsor SL4 6QP, UK
Get full directionsExternalLink
**Address: Dorney Lake, Eton College Rowing Centre, Court Lane, Dorney, Windsor, Berkshire SL4 6QP
Car:** Dorney Lake is easily reachable from London. If you are coming along the M4 then take the exit at Junction 7. There are two Pay & Display carparks available on-site for visitors.
Train: The closest railway stations are Slough and Windsor & Eton Riverside. Both of which are approximately a 20 minute drive away.
Event day logistics
0800 - 0915: Registration process
0930: Race starts
Race packs will be collected on the day. Please arrive at least 45 minutes before the start of the race to allow plenty time for the registration process.
Spectator Info
Spectators are strongly encouraged to come along and attempt to recreate the epic atmosphere of the London 2012 Olympic Games.
The looped nature of the course allows supporters to catch numerous glimpses of the runners in their Olympic backdrop.
7 reviews
Event passed
Results & Photos

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