Autumn brings the allure of crisp air and vibrant landscapes to Windsor's Dorney Lake, setting the stage for an exceptional half marathon experience. This picturesque venue, renowned as the home of rowing excellence, offers runners a smooth course that snakes around its tranquil waters. As you lace up your shoes this season, prepare yourself not only for the challenge ahead but also for one of Britain’s most scenic and competitive races. From dawn to dusk on race day, Dorney Lake transforms into a vibrant hub of activity where thousands gather in celebration of human endurance and achievement. The flat terrain around the lake ensures that runners can focus entirely on their pace without battling steep hills or uneven ground, providing an ideal setting for both newcomers striving towards their first half marathon finish and seasoned athletes chasing personal bests. As you loop through this tranquil natural environment, take a moment to appreciate the stunning beauty of Windsor’s open spaces. The race route is more than just pavement; it's a journey that highlights local flora and fauna, making every step feel like an adventure in nature while pushing yourself towards new achievements. Upon crossing the finish line under Dorney Lake's autumnal canopy, expect not only accolades from fellow runners but also your very own gold medal to mark this special milestone. The event is designed for all levels of runners who seek both a challenge and beauty on their journey, making it an exceptional choice whether you are racing alone or alongside friends and family. So as the leaves turn golden hues in preparation for winter's chill, be sure to carve out space on your fall calendar for this unique opportunity at Dorney Lake. With its blend of stunning scenery, competitive spirit, and unmatched finish line celebration, there’s no better way to capture autumn than with a memorable race under the open skies. The Windsor region stands ready once more as runners from across Britain converge upon Dorney Lake in anticipation of another exhilarating half marathon season. Dive into this event that promises not just personal triumph but also an unforgettable experience celebrating sport, community and natural beauty.
Races Offered
Half Marathon
Oct 18, 2026
straighten
Distance —
21K
terrain
Type —
Running
timer
09:00
sell
£32.00
Weather History
These values represent the 3-year monthly averages for October in Dorney.
thermostatTemperature
9.2° / 15.6°
wb_sunnyFeels like
6.4° / 13.1°
light_mode
Avg sunshine hours
6h 0m
water_drop
Avg rainfall
2.7 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
13.0 km/h (Gentle breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (2.8)
humidity_mid
Humidity
84.2%
wb_twilight
Sunrise
07:28
nightlight
Sunset
18:07
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.