Immerse yourself in the scenic beauty of Hertfordshire at the Lee Valley Run Fest 2027! This annual running extravaganza invites you to lace up your shoes for an unforgettable day filled with breathtaking landscapes and a challenging course. The event features both a 10K and half marathon, all starting and finishing at the iconic Lee Valley White Water Centre – once home to Olympic events. The traffic-free route is meticulously designed to be flat and fast, allowing runners of all levels to chase personal bests while enjoying nature's splendor. Along the way, you'll encounter well-placed water stations to keep you hydrated as you navigate through picturesque regional parks. At the finish line, expect a warm welcome with refreshments, snacks, and your custom-designed medal – a testament to your achievement. This event has earned rave reviews for its seamless organization, including clear course markings and supportive marshals who ensure every runner feels encouraged throughout their journey. Whether you're an experienced athlete or just starting out, the Lee Valley Run Fest offers an inclusive atmosphere where everyone can celebrate their passion for running. For those looking to make a difference beyond personal goals, this event partners with Alzheimer's Research UK, providing opportunities at checkout to donate and fundraise during your registration process. Spaces fill up quickly, so secure yours early to avoid disappointment. Don't miss out on joining the vibrant ATW community where participants share dreams, achievements, and advice across various social media platforms. Organized by James Shipley since 2011, ATW now hosts over 40,000 entries annually nationwide, cementing its status as a beloved choice for those committed to achieving their goals through endurance sports. Brace yourself for an exhilarating day of fitness and fun at the Lee Valley Run Fest. See you on the starting line! Join us in making every stride count towards changing lives one step at a time with Alzheimer's Research UK.
For any last-minute changes, ATW offers flexible transfer options up to 48 hours before your event date without needing proof of circumstances – ensuring peace of mind for all participants.
Races Offered
10K
Mar 21, 2027
straighten
Distance —
10K
terrain
Type —
Multisports
timer
200 days remaining
sell
£30.00
Half Marathon
Mar 21, 2027
straighten
Distance —
21.1K
terrain
Type —
Multisports
timer
200 days remaining
sell
£38.00
Weather History
These values represent the 3-year monthly averages for March in Station Rd.
thermostatTemperature
4.1° / 11.2°
wb_sunnyFeels like
0.2° / 7.1°
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Avg sunshine hours
6h 16m
water_drop
Avg rainfall
2.2 mm
ac_unit
Avg snowfall
0.1 cm
air
Avg wind speed
14.3 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
81.6%
wb_twilight
Sunrise
07:11
nightlight
Sunset
19:05
Hotels & Places to Stay
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