HALF10K5K
Run Dorney Lake Half Marathon, 10k & 5k - April
Dorney, United KingdomChoose the distanceTap a distance: the course, fees, times and rules below update for that race.
Multiple lapsLakeside
At a glance
Run Dorney Lake Half Marathon, 10k & 5k - April 2027 takes place on 3 April 2027 in Dorney, United Kingdom. Distances: 21.098 km, 10 km, 5 km. Start at 09:10 from Dorney Lake.
- Date
- Saturday, 3 April 2027
- Location
- Dorney, United Kingdom
- Start
- Dorney Lake
- Finish
- Dorney Lake
- Distances
- Half marathon · 21.098 km · Competitive
- 10 km · Competitive
- 5 km · Competitive
- Start times
- 09:10
- Entry fees
- Half marathon £28 · 10 km £28 · 5 km £28
- Registration
- Registration open · Register now ↗
- Organiser
- RunThrough ↗
- Official website
- runthrough.co.uk ↗
Last updated: 19 October 2026
The race
RunThrough's Run Dorney Lake Half Marathon, 10k & 5k - April takes place on Saturday 3 April 2027 at Dorney Lake, Buckinghamshire, the rowing lake that hosted the London 2012 Olympic events.
All distances start at 9:10am on a flat road course around the lake: 4 laps for the half (age 17+), 2 for the 10K and 1 for the 5K. Entry costs £28 to £34 plus a 5% booking fee.
Entry fees
Mezza maratonaGBP
Entry fee£28 – £34
Rules and requirements
Minimum age17 years
Where it is
Dorney · United KingdomNearby airportsLHRLondon Heathrow · 15 km as the crow fliesLGWLondon Gatwick · 51 km as the crow flies
© OpenStreetMap · OpenFreeMapRace-day weather
03 APR 2027 · average of the last 10 years (2017–2026)Changeable weather
Temperature on race day
5°● At the start 8°13°
Low / high5° / 13°At the start (09:10): 8°
Rain1.5 mmRain on 29% of days
Wind22 km/h
Sunrise06:33
On social media
Posts published by the organisers on their official profiles.Similar races
Run Dorney Lake Half Marathon, 10k & 5k - AprilCurrent entry fee Half marathon · £28
Register now →