Trail Running calendar near Henley-on-Thames 2025-2026

We have found 389 Trailruns within 80 miles of Henley-on-Thames. See below where and when you can find the races.

The Yard Trail Races, hosted at Chilton Manor Farm in Hampshire, offers participants two scenic routes: a 10k and a 10-mile trail run. Both routes begin and end on a historic avenue lined with 800-year-old Yew trees, providing stunning views. Runners are welcomed at the finish line by friendly marsh..

The Ouse Valley Way Half & Marathon is an annual running event taking place in Huntingdonshire, featuring a scenic 26.2-mile marathon and a half marathon. The course runs along the picturesque Ouse Valley, offering a mix of grass, gravel, and tarmac paths. For the 2025 edition, the route will start..

The Clipston Trail Half and Country 5 Miler is a scenic running event set in the picturesque countryside surrounding Clipston. Participants can choose between a challenging half marathon and a shorter 5-mile race, making it suitable for both seasoned runners and those new to trail running. The event..

BigSky Trails (AIR) is the final event in the Classic Element Trail Series, organized by BigFeat Events. Set in the picturesque New Forest National Park, this trail running event offers participants the choice of an 18-mile route or a marathon distance. Runners will experience stunning views and div..

The Manuden 10K, 5K, and 1K running event will take place on September 21, 2025, featuring an off-road route through the scenic fields surrounding Manuden. Participants will receive medals upon completion, and water stations will be available along the course and at the finish line. Registration wil..

The Chedworth Roman Trail is a scenic running event taking place in the picturesque Cotswold countryside, featuring both a 10-mile and a 5-mile race. Participants will navigate a challenging multi-terrain course that includes undulating tracks, footpaths, fields, and a river crossing, all while pass..

The Trifarm 10K Autumn Trail Run is part of the Trifarm seasonal trail series, taking place at Trifarm in Boreham. This event features a predominantly off-road course, utilizing public footpaths and bridleways. Participants can expect a unique experience as the run starts at dusk and concludes in th..

The Silent Pool 10km is a guided trail running event set in the picturesque surroundings of Silent Pool, near Guildford, UK. This event is designed for runners of all levels, particularly those new to trail running or those who prefer a group experience. Participants will explore scenic trails, incl..

The Dark Downs 50k is an exciting night running event held on the scenic South Downs, featuring both a 50k race and a Half Marathon. Participants will experience the unique atmosphere of running at dusk and into the night, with the rolling hills and runnable trails providing an ideal setting. The ev..

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The Fortitude Ultra - Denbies is an endurance running event held at the picturesque Denbies Wine Estate in Dorking, Surrey. Participants face the challenge of completing 10 laps of varying distances (approximately 3, 4, or 5 miles) within a 10-hour timeframe. Runners can adjust their chosen distance..

The Chiltern 50 Ultra Challenge is a premier endurance event set in the picturesque Chiltern Hills, offering participants the choice of 50 km, 25 km, or a 10 km loop. This challenge caters to all experience levels, allowing individuals to walk, jog, or run at their own pace. The event features a bas..

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The North Downs Way Ultra Run is a 30-mile trail event that showcases the stunning landscapes of the North Downs Way, starting and finishing at St Martha's Hill in Guildford, Surrey. This run is designed for both seasoned and first-time ultra runners, offering a guided experience through picturesque..

The Eridge Park 10 Trail Challenge is a celebrated running event returning in 2025 for its 25th anniversary. This challenging 10-mile trail race, known for its stunning scenery and muddy paths, takes place in Eridge Green, Kent. Participants can expect steep climbs and a friendly atmosphere, making..

Steeple Barton Chase is an annual fun run held at Barton Abbey in Oxfordshire, designed to raise funds for the Steeple Barton church. The event features a variety of running options, including a main 10K run, a 5K run for those seeking a shorter challenge, and a 1K Family Fun Run that encourages par..

"Something to Talk About" is a technical trail running event set in the picturesque New Forest, featuring a country house backdrop. This 7-hour race offers a looped route suitable for all abilities, allowing participants to choose their distance from 5K to ultra-marathon. All finishers of 5K or more..

Race on the Chase is a popular trail running event set to take place at Salisbury Racecourse on September 28, 2025, marking its sixth anniversary. The event features a variety of race distances, including a marathon, half marathon, and 10K, all set against the backdrop of beautiful undulating downla..

The 2025 Grantchester Charity Runs will feature a 10k and a 3k race, taking place in the picturesque farmland near Grantchester, Cambridge. This volunteer-run event supports Maggie’s Centre Cambridge and the Addenbrooke’s Charitable Trust (ACT). Both courses are flat and mixed terrain, with no road..

The Richmond Park Half Marathon is a scenic trail run covering a half marathon distance entirely within Richmond Park. The event begins at Sheen Gate, where participants will navigate through picturesque routes, including views of lakes and wildlife. Runners will traverse various park gates, includi..

The Pumpkin Run in Colchester is an exciting running event hosted at Foxes Farm, featuring a variety of race options including a 10K, 5K, and a family-friendly 1K. This event welcomes participants of all ages and abilities, offering a scenic course that loops around fields, a pumpkin patch, and a co..

The Kingfisher Challenge is a unique trail running event held at Coombe Abbey Park, offering participants the flexibility to run as many 5k laps as they wish within a 6-hour time limit. This event caters to all abilities, allowing runners to choose their distance, from a casual lap to over 50 miles...