Trail Running calendar near Marlborough 2025-2026

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 returns for a weekend of trail running in the Cotswolds, centered at Ilmington Sports & Social Club, Ilmington, Shipston-on-Stour. The event offers multiple distances: a 100km Ultra, a new 50km Ultra, Marathon, Half Marathon, and 10K. The trail course takes runners through rural co..

Three Forts Challenge is a trail-running event based at Lancing Manor Leisure Centre in West Sussex. It offers three races: a Full Marathon (27.2 miles) starting and finishing at Lancing Manor, with steep climbs, stiles and rough tracks, passing Chanctonbury Ring and Cissbury Ring for panoramic coun..

The Bluebell Bash is a trail running event in Manswood, Wimborne, UK, organized by Tri-Counties Trail Running. It offers three distances—half marathon (13.1 miles), 10K, and 5K—with full accessibility for canicross. Runners traverse scenic bluebell forests with gentle hills and expansive views.The e..

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 Harewood Forest Trail Race is staged in Harewood Forest in the heart of the Test Valley, near Andover, Hampshire. Runners can choose between 5k and 10k trail routes on undulating forest tracks, offering a challenging yet scenic course. Described as a spring race set in a beautiful woodland setti..

The Goring Gap Trails event, held in Mapledurham near Reading, offers a variety of running and walking challenges, including a 50-mile ultra, a 52K ultra, and a half marathon, alongside walking options of half marathon, full marathon, and a 6-mile walk featuring a river boat crossing. The event is l..

Westcountry Ultra Flat 50 is a point-to-point 50-mile ultramarathon organized by Albion Running. The event starts in Taunton and finishes at West Somerset College in Minehead. The route has a flat first half and a more undulating second half, with roughly 2,100 feet of elevation change, and is ideal..

Run Rabbit Trail Festival is a multi-distance weekend trail running event by Race Harborough, staged at the picturesque Deene Park Estate near Corby. The festival features three challenges that can form The Quest: Trail Mix Challenge (25k across five 5k laps on the hour for five hours), Headlight Ho..

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..

Run to the Sea Brighton is a 50 km ultramarathon on a multi-terrain point-to-point course from Horsham's Christ's Hospital to Hove Lawns, Brighton. The route blends trails, rolling downs, and a coastal promenade, offering scenic views of the South Downs and sea. The event is described as stunning, w..

Chiltern Hills 100K is a TRA-licensed 100-kilometre ultramarathon organized by Runaway Racing. The next edition takes place in May 2026, starting and finishing in Chesham, Buckinghamshire, with the event base at Chesham Guides HQ in Lowndes Park. The anticlockwise route traces beloved Chilterns trai..

Westcountry Ultra Hilly 50 is a 50-mile trail ultra run by Albion Running, starting and finishing at West Somerset College in Minehead, Somerset. The route climbs about 7,337 ft, taking in North Hill and Bossington Hill, Culbone with the UK’s smallest parish church, Porlock Weir, and Dunkery Beacon,..

Westcountry Ultra 100 Miler is Albion Running's signature 100-mile event, held in Somerset, England. The race fuses the Flat 50 and Hilly 50 routes into one epic loop from Taunton to Minehead, largely along the Taunton–Bridgwater canal path, River Parrett Trail, and West Somerset Coast Path. Runners..

The Epona 100 is a challenging 100-mile ultramarathon held in Abergavenny, featuring a demanding 17,000 feet of elevation gain. The course offers a stunning mix of iconic trails, including Offa’s Dyke, Cambrian Way, and Beacons Way, providing runners with breathtaking mountain passes and diverse ter..

Tenacious Ten Endurance Challenge takes place on Mynydd Troed, Pengenfford Common near Talgarth, Powys (LD3 0EY). This intense, all-day loop race tests endurance with a single 10-hour format and a rolling loop of about 4 miles (roughly 6.9 km) per lap, featuring steep climbs and technical downhills..

Shires and Spires is a five-distance multi-terrain running event based in Naseby, Northamptonshire, starting and finishing at Naseby Village Hall. It offers 10K road, half marathon, three-quarter marathon, marathon, and a 35-mile ultra. The route blends trails, footpaths, and roads, showcasing the N..

OTT Marathon & 10 Mile Race takes place at Parkwood Dolygaer, Merthyr Tydfil, in the Brecon Beacons. The event offers two distances: a looped mountain marathon of about 26.2 miles with steep climbs and stunning views, and a 10-mile option that follows part of the same course to Checkpoint 1 before r..

The Compton Marathon & 16 Mile Challenge, part of the Compton Downland Challenge, is hosted by Compton Harriers Running Club in Compton, Berkshire. The event offers two routes: a marathon and a 16-mile challenge, both starting from the village recreation ground by the Village Hall (HQ). With a 7-hou..

Jurassic Coast Challenge is part of Ultra Challenge Series along Dorset’s World Heritage coastline. Distances: 100km, 75km, ~50km and ~25km, plus a Weymouth Marathon loop and Bridport 10K. The course runs from Corfe Castle via Swanage, Lulworth Cove and Durdle Door, with Weymouth at halfway, then on..