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ATW Run Fest at Lee Valley

location_on

Cheshunt, East of England, United Kingdom

calendar_today 22 Mar, 2026

language Official Website

About the Event

Unleash your speed at an iconic Olympic venue at the ATW Run Fest at Lee Valley on Sunday, 22 March 2026. This hugely popular event offers a choice of a traffic-free, flat, and fast Half Marathon or a 10K, both starting and finishing at the spectacular Lee Valley White Water Centre, home to the 2012 London Olympics. The scenic route winds through the beautiful Hertfordshire regional park, providing the perfect conditions for a personal best in a truly unique setting. Organized by Active Training World, the race is renowned for its 5-star reviews, fantastic marshaling, well-stocked water stations, and a custom-designed finisher's medal. Early bird pricing is available, but spaces fill quickly for this unforgettable day of running. Don't miss your chance to race where champions were made.

Races Offered

10K

Mar 22, 2026

straighten

Distance — 10K

terrain

Type — —

timer

09:30

Half Marathon

Mar 22, 2026

straighten

Distance — 21.1K

terrain

Type — —

timer

09:30

Weather Overview

These values represent the 3-year monthly averages for March in Cheshunt.

Temp (°C)

Feels Like (°C)

thermostat 4.4° / 11.1°

wb_sunny 0.3° / 6.7°

Wind (km/h)

Humidity (%)

air 15.6 /

water_drop 81.3%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 4.4° / 11.1°

wb_sunny 0.3° / 6.7°

air 15.6 km/h

water_drop 81.3%

About Cheshunt

Scenic view of

Cheshunt is a town in the Borough of Broxbourne, in Hertfordshire, England, situated within the London commuter belt approximately 13 miles (21 km) north of Central London. The town lies on the River Lea and Lee Navigation, bordering the Lee Valley Park, and forms part of the Greater London Urban Area. As of the 2021 census, the built-up area subdivision of Cheshunt had a population of 43,770.

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