Trail Running calendar near Weir Wood Reservoir 2026-2027

We have found 429 Trailruns within 80 miles of Weir Wood Reservoir. See below where and when you can find the races.

Experience the worlds largest inflatable obstacle course at Kempton Park. Navigate a variety of bouncy structures in this fun event located in South London on Saturday 3rd October 2026.

Experience a scenic 50km ultra marathon from Moors Valley Country Park to the Bournemouth coastline. This flat point to point course features forest trails and seafront paths with full medical and navigation support.

Experience an ultra distance eco trail through the ancient woodlands of London. This event takes runners on a 50 km journey starting from Capel Road into the natural paths of Epping Forest.

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Hit the trails at London EcoTrail 25 KM on 3 October 2026 in Epping's Bell Common. Enjoy a scenic 25 km route through woodlands and countryside, perfect for trail runners craving a nature filled challenge.

Experience the South Downs after sunset with looped races starting at dusk. Choose from three distances featuring rolling trails and reflective course markings under an official Dark Sky Reserve.

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Experience a flat and fast riverside trail race along the scenic Thames Path in Richmond. Choose from 10km, half marathon, or marathon distances on a well marshalled out and back course.

Explore the scenic Hambleden and Stonor valleys with three distance options starting from Marlow. Enjoy a managed challenge event featuring checkpoint snacks and a finish line meal in the heart of the Chilterns.

Experience a 75 mile coastal ultramarathon along the scenic Essex Saltmarsh coastline. Choose between a continuous run, a two day journey, or a relay team event with full GPS tracking and support.

A flexible 6-hour timed run along the flat Jubilee River towpath. Run one 5.24-mile lap or see how many you can complete. The scenic route passes through countryside with views towards Windsor Castle.

Tackle the Kent Downs on Saturday, 10 October 2026. Choose from 50 km, 25 km, or 10 km looped routes starting from the Maidstone basecamp. Enjoy full support with rest stops, food, and a celebratory finish line.

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Test your endurance at Turvey House with a 6.7 km loop every hour on the hour. Choose to run solo, in a pair, or join the capped eight hour challenge in this unique last person standing format.

Experience the iconic trails of Surrey with a choice of three distances through woodland paths and ridgelines. Enjoy a chip timed challenge featuring elevation and scenic views at Box Hill.

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Discover the scenic trails of the Chiltern Hills in this guided 21 km autumn running adventure. Led by qualified guides, this event focuses on group camaraderie and trail techniques across beautiful undulating woodlands.

Test your endurance at Pippingford Park with 10 laps in 10 hours. Choose between three different loop distances on a private estate and earn your finisher shirt based on your performance in this unique timed challenge.

Experience an autumn trail run through ancient woodland at the Epping Forest Wildwood Trail Series. Choose between a 10K or Half Marathon course on fully marked paths with a strong focus on sustainability.

Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.

The Titsey Trail 10k is a community running event held on Sunday, 11th October 2026. Organized by runners for runners, it raises funds for a variety of local charities.

The FOOBS Trail and Fun Runs return in October. Choose from a chip timed 10K, 6K, or a family friendly 2K fun run through the countryside near Old Basing. The event supports local schools through community fundraising.

Run a scenic and flat 10k course featuring coastal paths along the Dengie peninsula and town streets. Starting at the Dengie Hundred Sports Centre, this event offers free parking and a variety of terrains for all participants.

A 100 mile trail race through Oxfordshire featuring four 25 mile out and back spurs. Runners navigate the historic Ridgeway and Thames Path trails supported by 16 aid stations and full medical coverage.

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