London Borough of Ri..
Trail Running Calendar near London Borough of Richmond upon Thames 2026-2027
Explore the top trail runs near London Borough of Richmond upon Thames for 2026-2027! We've gathered 236 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
London Backyard Ultra at Frylands Wood Scout Outdoor Centre has runners complete a four mile loop each hour until one remains, with medals, showers and refreshments.
Permanent 7 km mud and obstacle assault course near Dorking, Surrey with over 100 obstacles and options for one, two or limitless laps for solo runners and groups.
Windsor Trail Run Half Marathon and 10K on 30 August 2026 in Alexandra Gardens featuring flat trail routes, chip timing, race photos and post-race goodies.
Full and half marathon around Woldingham on a 13.1 mile loop with wooded trails, open ridge sections and two-lap full marathon option.
A chip-timed 10 km trail race through Shoreham Woods on 30 August 2026, with scenic but challenging sections and entry donations to the woods.
Day nine of the Duck n Run Totally Quackers series on 30 August 2026 in Walton on Thames features timed laps on a flat riverside out and back course, with distances from a single 3.28 mile lap up to an ultra within seven hours.
September 2026
Three starting points converge on the Klättermusen London store for a point-to-point run across the city with 25 km, 10 km and 5 km options.
Scenic mixed terrain running at Remenham Farm beside the Thames with a half marathon, 10K and junior race, chip timed results and themed medals.
A muddy obstacle-course run in Brentwood with 5 km and 1.5 km options, achievable obstacles, finisher medals and post-race wash-downs.
Choose a half marathon or full marathon along a flat, scenic riverside towpath from Walton on Thames to Hampton Court and back, run in laps for easy pacing. Limited places and medals for all finishers plus a giveaway for every entrant.
A women only muddy obstacle course in Brentwood, Essex covering 5 km with varied obstacles, wash facilities, a finisher medal and an inclusive, non competitive format.
An ultra endurance event in Heartwood Forest where participants cover four mile loops within a 12 hour window, solo or in relays up to eight people. Winners are decided by distance and all finishers receive a medal.
Half marathon and 10k at Wimbledon Common on 6 September 2026, with marked trails, marshals and a 3.5 hour cutoff. An event village offers food, drink and finish line goodies and the event supports the Beder charity.
A scenic 10K through the private grounds of Loseley Park in Surrey on 6 September 2026, with timed results, finisher medals and official photography.
Trail half marathon and 10 km at Lullingstone Country Park on 6 Sep 2026 with two loops, water station, marshals and a finisher medal.
A guided group trail run of about 10 km around Silent Pool and the North Downs Way, mixing wide paths and single track, with headtorch options for night runs and optional kit trials plus a complimentary alcohol free beer subject to availability.
A timed, lap-based Friday run along the Thames with flexible rock up and run starts; the £10 affiliated entry is donated to Rays of Sunshine and participants receive a double-sided charity medal.
A multi-distance walk, jog and run along the River Thames from Putney Bridge to Henley in September 2026 and 2027. Distances span 10 km to 100 km with rest stops, catering, medical support and GPS tracking via an event app.
Trail running in the Surrey Hills with 10k, 21k and 42k routes on chip timed, well marked courses, aid stations and finisher medals. Starts and finishes at Shere Recreation Ground with free parking and an event village.
A charity ultramarathon along the Thames from Upminster to Southend offering 10, 30 and 50 mile routes on mainly tarmac and hard trails. Organised by c2c to raise funds for Prostate Cancer UK with checkpoints and on-course medical support.