Weir Wood Reservoir
Trail Running Calendar near Weir Wood Reservoir 2026-2027
Explore the top trail runs near Weir Wood Reservoir for 2026-2027! We've gathered 188 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
July 2027
Group guided 10 km trail run across the boardwalk and heathland of Thursley National Nature Reserve with evening and night options, car parking and a post-run alcohol-free beer.
A Pretty Muddy 5k at Tilgate Park with obstacles on woodland and lakeside paths, a double lap course and a minimum age of 13.
A multi-format running festival at Blackland Farm on 24–25 July 2027 offering 24 hour and 12 hour solos, team relays, P24/P12 challenges, camping options, and finisher medals.
August 2027
Timed looped trail at Denbies Wine Estate offering distances from a single 5.3 km loop up to ultramarathon within a seven hour limit, flexible start window and medal options.
Riverside out and back races from Barnes along the Thames Path offering 10km, half marathon and marathon with marked course and checkpoint support.
The River Run at Lancing College offers a Half Marathon and a new 8 Mile on mixed riverside trails and countryside, and closes the 2027 South Coast Series.
London Backyard Ultra at Frylands Wood follows the Backyard Ultra format: run four miles each hour until one runner remains, scheduled for 28 August 2027.
Experience a scenic 10k trail run through Shoreham Woods in Kent featuring chip timing and a dedicated Canicross category for runners with dogs.
September 2027
Trail event on the South Downs Way from Eastbourne to Arundel on 4 to 5 Sept 2027, offering 100 km, 50 km and 25 km options with marked route, rest stops and camping.
A bi-annual series at Bewl Water in Kent offering 10 km, half marathon, marathon and 50 km ultra on mixed trail and country lanes with reservoir views.
Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.
A Thames Towpath trail event from Putney Bridge to Henley offering 100, 75, 50 and 25 km options plus supported rest stops and camping.
Trail half, 10K and a free 2 km kids run at Denbies Vineyard with wine stations, live music and a post-race party.
Undulating trail races on Ashtead Common on 12 September 2027 offering a 10 km and a 2 km kids run while raising funds for local charities.
A multi-distance Spartan obstacle weekend at Pippingford Park on September 25 to 26 2027, featuring Sprint to Ultra races, Trifecta racing, a kids course and the British OCR Ultra Championship.