Run Dorney Lake Marathon, Half Marathon, 10k & 5k September 2026
About the Event
Embark on a remarkable autumn adventure at Dorney Lake, where RunThrough invites you to explore the picturesque landscape during one of September’s most celebrated running events. With 5k, 10k, and Half Marathon options available, runners can choose from various distances tailored to their preferences and skill levels. Circling around Dorney Lake offers a flat, fast course that showcases breathtaking scenery with every lap. The route winds along the lake's perimeter, allowing participants not only to challenge themselves physically but also to immerse in nature’s beauty at each turn. Whether you're aiming for personal bests or simply relishing the stunning vistas, this event promises an enriching experience. Each distance is complemented by a custom finisher’s medal designed specifically for Dorney Lake events, providing runners with tangible recognition of their achievements and adding to the overall celebratory atmosphere post-race. Join RunThrough in September for what has become one of the most anticipated races on many participants' calendars—a race that beautifully blends competitive spirit with appreciation for natural surroundings. Runners looking forward to engaging challenges amidst serene settings will find no better opportunity than this, making Dorney Lake a must-attend event for enthusiasts keen on combining endurance sports with awe-inspiring vistas.
Races Offered
10k
Sep 26, 2026
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Distance —
10K
terrain
Type —
Running
timer
08:10
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£30.00
5k
Sep 26, 2026
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Distance —
5K
terrain
Type —
Running
timer
08:10
sell
£28.00
Half Marathon
Sep 26, 2026
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Distance —
21K
terrain
Type —
Running
timer
08:10
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£34.00
Marathon
Sep 26, 2026
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Distance —
42.2K
terrain
Type —
Running
timer
08:10
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£40.00
Weather History
These values represent the 3-year monthly averages for September in Dorney.
thermostatTemperature
11.8° / 20.1°
wb_sunnyFeels like
9.8° / 17.8°
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
06:38
nightlight
Sunset
19:15
About Dorney
Learn more about the host city, Dorney.
Dorney is a village and civil parish in Buckinghamshire, England. It borders the River Thames to the west and south, and is bisected by the Jubilee River. In 2011 it had a population of 752. It is 2.3 miles (3.7 km) west of neighbouring Eton, which is a slightly larger parish.
