Trail Running calendar near London 2025-2026

We have found 335 Trailruns within 80 miles of London. See below where and when you can find the races.

The Isle of Wight Ultra Challenge is a premier endurance event held on the stunning Isle of Wight, featuring a variety of distances including 106km, 53km, 25km, and a 10-mile option. Participants walk, jog, or run along the island’s spectacular southern coastal path, passing iconic landmarks like th..

Rapid Relays is a dynamic running event held at the scenic Culden Faw Estate in Fawley, near Henley on Thames, Oxfordshire. The race features a woodland trail course on estate tracks with gently undulating terrain, including a notable climb before 3 kilometers followed by a long downhill stretch bac..

Tempo Trail Races 2026 is a weekend trail running event held in the scenic Cotswolds, based at Ilmington Sports & Social Club near Shipston On Stour, UK. The event offers a variety of race distances to suit different levels, including a 100K Ultra, a new 50K Ultra, a Marathon, a Half Marathon, and a..

The Three Forts Challenge is a renowned trail running event held in West Sussex, starting and finishing at Lancing Manor Leisure Centre. It offers three race options: a full marathon (27.2 miles), a half marathon, and a 5-mile trail run. The courses feature demanding terrain with steep climbs, stile..

The Harewood Forest Trail Race is a spring running event held in the scenic Harewood Forest, located in the heart of the Test Valley near Andover, Hampshire. The race offers challenging yet beautiful undulating trail routes through the forest, providing a rewarding experience for trail runners. Part..

BigWayRound - Winchester is an award-winning, Gold-rated trail running event held at Winchester Rugby Club. The event offers four distances: 14 miles, 19 miles, a marathon, and a 50K ultramarathon, catering to both new and experienced trail runners. The course features stunning views and traverses i..

The Goring Gap Trails will take place in Mapledurham from Saturday 9 May 2026 to Sunday 10 May 2026. You can run between 33 and 50 miles.

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The Run Rabbit Trail Festival is a multi-distance trail running event held at the scenic Deene Park Estate near Corby. Scheduled for May 2026, it offers three main challenges: the Trail Mix Challenge (25k, consisting of five different 5k runs hourly), the Headlight Hop (10k evening trail run), and t..

The Collingbourne Races, held at Crawlboys Farm in Ludgershall, offer a scenic off-road running experience through the beautiful Collingbourne woods. Featuring a half marathon and a 10km race, the course includes bridle paths, woodland tracks, and single-track trails, making it suitable for runners..

The Run to the Sea Brighton Ultramarathon is a scenic 50km point-to-point race from Horsham to Brighton seafront, featuring a mix of trails and rolling downs. Known for its stunning views and well-organized setup, it caters to both beginners and experienced ultramarathoners. The course is fully sign..

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The Chiltern Hills 100K is a 100-kilometer ultra marathon held in the Chiltern Hills, Buckinghamshire, UK. The race features an anticlockwise loop starting and finishing in Chesham, passing iconic landmarks such as Ashridge Estate, Coombe Hill, Whiteleaf Hill, Bledlow Ridge, and Great Hampden. With..

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Shires and Spires is a celebrated multi-terrain running event held in Northamptonshire, starting and finishing at historic Naseby Village Hall. The event offers five distances: 10K, half marathon, three-quarter marathon, marathon, and a 35-mile ultra marathon. The course features a scenic mix of tra..

The Zig Zag Marathon and Half Marathon take place at the Suffolk Running Centre in Bury St Edmunds, UK. The marathon follows the officially measured, scenic Kirtling Route, which is fully on road and mildly undulating, while the half marathon uses the Windmill Route, both featuring quiet roads. The..

The Halstead & Essex Marathon, held annually in North Essex, celebrates its 30th year in 2026. Established in 1995, the event is hosted by Halstead Road Runners and attracts runners from across the UK. The marathon course features scenic, low-traffic roads through rolling hills, woods, and farmlands..

The Five Rivers Ultra is a scenic ultra-endurance running event held along the wild North Essex and South Suffolk coastline, finishing in Harwich, Suffolk. It offers three distance options: 100 miles, 50 miles, and 50 km, all featuring generous cut-off times. The point-to-point course traverses beau..

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The Centurion North Downs Way 50® is a challenging 50-mile point-to-point ultramarathon held annually along the North Downs Way National Trail in England. Starting in Farnham, Surrey, and finishing at Knockholt Pound near Greater London, the course features approximately 5,600 feet of elevation gain..

The Reigate Priory Park 10K is a scenic charity fun run held in Priory Park, Reigate, Surrey. The course features a 250-meter start plus four laps on an accurately measured, gently undulating cross-country terrain surrounded by lush greenery. Suitable for runners of all levels, the event fosters a f..

The South Downs 50k is a point-to-point trail race held in the South Downs National Park, running from Falmer to Eastbourne along the scenic South Downs Way. Covering 50 kilometers with over 3,500 feet of elevation gain and descent, the course features mostly runnable grass trails, farm tracks, and..

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Farmmageddon is an endurance running event held at Hyde Hall Farm, Buntingford, SG9 0RU. Returning for its second year, the event features a challenging 100-mile race completed over 32 hours across two days. The course consists of a 5.3 km loop combining trail, grassland, and some tarmac paths, suit..

The London 2 Brighton Ultra Challenge is a premier endurance event held annually, covering distances of 100km, 50km, 25km, and 10km. Starting in Richmond, West London, participants traverse the scenic North Downs and Surrey & Sussex countryside, with the full 100km route continuing over the South Do..