Bewl Water Spring 10km, Half Marathon, Marathon & Ultra 50km
About the Event
Escape onto one of the UK's most scenic reservoir trails at the Bewl Water Summer event on June 13, 2026. Organised by Hermes Running, this highly-rated race series offers a perfect summer challenge with four distinct distances—10km, Half Marathon, Marathon, and 50km Ultra. You'll carve your path along a captivating loop of the reservoir, where every step reveals stunning lake views framed by undulating woodlands and quiet country lanes. Choose your adventure, from a fast 10km dash to an epic 50km ultra, with every distance boasting its own unique character and generous time limit. Join a community of passionate runners and experience impeccable organisation, well-stocked aid stations, and the camaraderie that defines Hermes Running events. Cross the finish line to earn a memorable medal and the pride of conquering a route consistently ranked among the nation's best. This is more than a race; it's a summer highlight for any trail runner seeking beauty and a personal test.
Races Offered
Ultra Marathon
Jun 13, 2026
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Distance —
50K
terrain
Type —
Running
timer
08:30
Marathon
Jun 13, 2026
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Distance —
42.2K
terrain
Type —
Running
timer
09:00
Half Marathon
Jun 13, 2026
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Distance —
21.1K
terrain
Type —
Running
timer
09:30
10 km
Jun 13, 2026
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Distance —
10K
terrain
Type —
Running
timer
10:00
Weather History
These values represent the 3-year monthly averages for June in Bewl Water.
thermostatTemperature
12.1° / 20.8°
wb_sunnyFeels like
9.9° / 18.3°
light_mode
Avg sunshine hours
13h 8m
water_drop
Avg rainfall
1.1 mm
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Avg snowfall
—
air
Avg wind speed
15.1 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (5.6)
humidity_mid
Humidity
74.4%
wb_twilight
Sunrise
04:43
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Sunset
21:12
About Bewl Water
Learn more about the host city, Bewl Water.
Bewl Water is a reservoir in the valley of the River Bewl, straddling the boundary between Kent and East Sussex in England. It is about 2 miles (3.2 km) south of Lamberhurst, Kent. The reservoir was part of a project to increase the supply of water in the area. It supplies Southern Water's customers in the towns of Thanet and Hastings.
