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
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Type ——
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08:30
Marathon
Jun 13, 2026
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Distance —
42.2K
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Type ——
timer
09:00
Half Marathon
Jun 13, 2026
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Distance —
21.1K
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Type ——
timer
09:30
10 km
Jun 13, 2026
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Distance —
10K
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Type ——
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°
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Avg sunshine hours
13h 8m
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Avg rainfall
1.1 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
15.1 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
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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.
