Run Dorney Lake Marathon, Half Marathon, 10k & 5k - September
About the Event
On September 26, 2026, runners will gather at Dorney Lake near Windsor, Berkshire for the Run Dorney Lake Marathon, Half Marathon, 10k, and 5k races. The flat course offers ideal conditions for achieving personal bests, with participants navigating a well-maintained path around the picturesque lake. The marathon route winds through scenic landscapes, offering runners stunning views of Dorney Lake while providing an opportunity to push their limits on this challenging yet rewarding distance. Similarly, the half marathon presents a perfect balance between endurance and speed over a slightly shorter but equally engaging course. Both events are designed for athletes seeking to test themselves against flat terrain that minimizes elevation changes. For those looking for something more compact, the 10k race provides an excellent middle ground with its fast pace and dynamic environment around Dorney Lake. The event also features a fun-filled 5k option suitable for runners of all levels, including beginners who are eager to experience racing in a supportive atmosphere. All participants will benefit from chip timing technology embedded within their bibs, ensuring accurate results that capture every runner's performance accurately throughout the race day. Whether you're aiming to set new personal records or simply enjoy running amidst beautiful scenery, this event offers an unforgettable experience for everyone involved. The surrounding area of Windsor and Dorney Lake adds a unique charm with its lush greenery and tranquil waters, making it an ideal setting for runners looking to immerse themselves in nature while competing. The race day will be filled with excitement as participants come together to celebrate their passion for running against the backdrop of one of England's most picturesque locations.
Races Offered
10 KM
Sep 26, 2026
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Distance —
10K
terrain
Type —
Running
timer
14 days remaining
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£31.80
5 KM
Sep 26, 2026
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Distance —
5K
terrain
Type —
Running
timer
14 days remaining
sell
£29.68
Half Marathon
Sep 26, 2026
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Distance —
21.1K
terrain
Type —
Running
timer
14 days remaining
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£36.04
Marathon - 4 Hour Cut Off
Sep 26, 2026
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Distance —
4 Hours
terrain
Type —
Running
timer
14 days remaining
sell
£42.40
Weather History
These values represent the 3-year monthly averages for September in Windsor.
thermostatTemperature
11.9° / 20.1°
wb_sunnyFeels like
9.9° / 17.9°
light_mode
Avg sunshine hours
8h 34m
water_drop
Avg rainfall
3.2 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
13.3 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (3.5)
humidity_mid
Humidity
77.7%
wb_twilight
Sunrise
06:37
nightlight
Sunset
19:15
Hotels & Places to Stay
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