Trail Running Calendar United Kingdom 2025-2026

Welcome to the most comprehensive guide to trail races in the UK for 2025-2026! Our curated list features an impressive 1261 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

Thames Path 100® is a 100-mile point-to-point trail race by Centurion Running, from Richmond in London to the grounds of Oxford University. The route follows the Thames Path with a flat, fast profile on groomed paths, trails and paved sections, and about 1,900 feet (560 m) of climb, offering varied..

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The Malvern Hills Ultra is staged in Worcestershire, starting and finishing at Abberley Village Hall (WR6 6AZ). Runners can choose 23, 31, 38 or 47 miles; the 47-mile option features about 2,941 m of ascent (nearly 10,000 ft). The course is an out-and-back along the Worcestershire Way, with turn poi..

Pennine Barrier Ultra 50 is a 50-mile ultramarathon staged by GB Ultras in the Yorkshire Dales, starting and finishing at Malham Showfield. The route covers 50 miles with approximately 2,593m of ascent, taking in Malham Cove, Watlowes Dry Valley, Malham Tarn, Fountains Fell, Janet’s Foss and the Yor..

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Ultra X Scotland takes place in the Scottish Highlands around Inverness, featuring the Great Glen and Loch Ness. The event offers multiple distances: 110km single-stage, 110km over two stages, plus 60km, 50km, 25km, and 12km options. Runners traverse iconic Highland terrain along the Great Glen Faul..

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Rasus y Bannau (The Beacon Races) are three long-distance mountain running challenges organized by Run Walk Crawl, starting and finishing in Brecon and circling the Bannau Brycheiniog National Park. Runners choose from 100km, 75km Ultra Trail, or Marathon, with ascents of roughly 5,100m, 3,500m, and..

Box Hill Vertical KM is a guided trail run held around Box Hill near Dorking, Surrey. The course covers about 12.5 miles with around 1000m of elevation, designed to rack up significant height in a compact distance. It traverses woodland, heathland and open fields, with hills that are technical enoug..

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..

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..

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..

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..

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..

Rainow 5 is a small FRA-licensed trail/fell race staged on the first Wednesday evening in May in the Rainow and Kerridge Ridge area near Macclesfield, Cheshire. The five-mile, hilly route takes runners along rural lanes and ridgelines around Rainow and Kerridge Ridge, attracting around 250–300 parti..

The Sheinton Steeplchase is a 5.3 km cross-country race held near Sheinton Church by Cressage in the West Midlands. Featuring a total ascent of 100 meters, it offers a challenging yet accessible course that is not a traditional fell race but still highly regarded for its competitive and enjoyable na..

Boconnoc 5 Mile, organised by East Cornwall Harriers, is a 5-mile race set on the Boconnoc Estate in East Cornwall. The course weaves a mix of unmade paths, woodland trails and select road sections, with the Race HQ located in the estate courtyard. Held on a Wednesday evening as part of the Boconnoc..

The Carlisle City Urban Trail Race is a 10 km running event held in Carlisle, England, starting from The Sands Centre. The course features a mix of on-road and off-road well-established tracks, offering a varied urban trail experience. The race is open to participants aged 15 and older, with a limit..

PFW Running's Brockholes Bimble is staged at Brockholes Nature Reserve in Preston. The event offers 10K, half marathon, marathon and ultra distances, with a multi‑lap course around the reserve. Runners traverse paths that circle several lakes, the River Ribble, and woodlands.The 10K is one lap plus..

Bat Challenge is a 6-hour day/night trail running event at Beacon Hill Country Park, Leicestershire, England. It features a 3.3-mile off-road loop that participants can repeat to reach 5k, 10k, or over 50k within the time limit. The course climbs from the lower car park to a trig point, then glides..

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..

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The Kintyre Way Ultra takes place on Scotland’s scenic Kintyre Peninsula. Each year the Ultra covers about 33–35 miles, chosen from one of three sections of the 100-mile Kintyre Way: Tayinloan to Tarbert, Tayinloan to Campbeltown, or Machrihanish to Campbeltown. A relay option is available for two o..