12.8
km
1:28:57
Estimate
34.7 m
Ascent
65%
Paved
0/5
Hilly
CPs
Elevation
0.0 km
3.2 km
6.4 km
9.6 km
12.9 km
101 m
1 m
Starting from the charming riverside town of Broxbourne, this 12.9km loop offers an incredibly flat and fast escape into the heart of the Lee Valley Regional Park. With only 35m of total ascent, this route is a dream for runners looking to maintain a consistent cadence without the interruption of steep inclines. The terrain is a balanced mix of 65% paved pathways and well-maintained riverside trails, taking you past the lively Lee Valley Animal Adventure Park before circling back through the tranquil waterside stretches of Nazeing Mead South. Whether you are ramping up your mileage or seeking a scenic recovery run, the open skies and expansive wetlands provide a refreshing backdrop that feels worlds away from the city.
The Lee Valley has long served as a vital green lung for those living near the Essex and Hertfordshire border, historically acting as a major corridor for trade and transport along the River Lee. While often overshadowed by the ancient woodland of nearby Epping Forest, this specific area around Nazeing Mead offers a unique ecological landscape defined by its series of man-made lakes—the result of post-war gravel extraction that has since been reclaimed by nature. Running through here, you’re traversing a site of significant biodiversity; it is a premier spot for birdwatching, where the sound of the water and the sight of over-wintering wildfowl create a serene, historical atmosphere that has transitioned from industrial utility to a runner’s paradise.
Calculate your splits for this flat 12.9km waterside loop.
This route is perfect for your long run on a 10k training block.
Stay limber for the flat, repetitive pavement sections here.
Fuel right for a scenic 13km adventure through the Lee Valley.
This course includes one or more areas where higher levels of caution are recommended and your time is temporarily paused. We suggest reviewing the map in close up, where these sections are shown with dashed lines.
This course includes 0.1 km sections of dashed lines. The total distance for the course including these sections is 12.9 km
13K
England
Scenic
Nature
Wildlife
Historic
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