Bewl Water Autumn

SEP
12
2026
Scenic reservoir views and rolling wooded trails await at Bewl Water Autumn near Lamberhurst, Kent. Choose 10 km, half marathon, marathon or 50 km ultra on well marked routes loved by runners and rated among the UK's top courses.
50 kilometers 27 miles 13 miles 10 kilometers

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Bewl Water Autumn : overview

Bewl Water Autumn is a bi-annual race series organised by Hermes Running near the Bewl Water Visitor Centre, Lamberhurst, Kent. Courses follow a route around the reservoir on a mix of undulating rural wooded trail and some quiet country lanes, with lake views for much of the route. Runners World rated this course as one of the top 10 marathons in the U.K.

Race distances and course details

  • 10 km: out-and-back route, marshalled turnaround, 2.5 hour time limit.
  • Half Marathon (13.1 miles): 0.6 mile loop then one 12.5 mile lap, 6 hour time limit.
  • Marathon (approx 26.5 miles): 1 mile loop then two 12.5 mile laps, 7.15 hour time limit.
  • Ultra (50 km / 31.25 miles): two 12.5 mile laps plus a final 6.25 mile loop, 8 hour time limit.

Distances were measured using a Garmin Fenix 6X Pro-Solar watch; organisers note the marathon is slightly longer and trail line choice can cause variation. GPX routes and route maps are provided for each distance. Entry fees vary by distance and age eligibility is specified for each race. Visit the organization's website for the most recent information.

50 km
Bewl Water Ultra 50km
27 mi
Bewl Water Marathon
13 mi
Bewl Water Half Marathon
10 km
Bewl Water 10km