Trail Running Calendar United Kingdom 2025-2026

Dukeries 30 / 40, from HOBO Pace, is a circular trail race starting in Walesby, within Sherwood Forest, Nottinghamshire. The event offers 30-mile and 40-mile distances, open to runners only. The route mainly follows forest trails and footpaths, passing lodges and landmarks such as Creswell Crags, th..

24 Hours South - The Offa's Dyke Ultra is a challenging 24-hour endurance event starting from Prestatyn on the North Wales coast, following the Offa's Dyke National Trail southwards. Participants, either solo or in teams of 2 to 4, aim to cover as much distance as possible along this scenic and dema..

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..

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..

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..

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..

Formartine & Buchan Railway 12&6hr Ultra is a two-format running event along the Formartine & Buchan railway line in Scotland, from Maud station to Auchnagatt village hall. Participants choose the 12-hour or 6-hour option and aim to cover as much distance as possible within the time limit. Each lap..

Marsden Moors and Marsden Moors Marathon, organized by The Irregulars LDWA, offers three circular challenge routes in and around the Colne Valley near Marsden, Huddersfield. Distances are 26 miles (the marathon), 23 miles, and 18 miles. Start/finish is Marsden Parochial Hall.The event features moorl..

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..

Man Up & Down is a 20km coastal trail run along Cornwall’s North Coast, raising funds for Man Down Cornwall. The route starts on Portreath Beach and finishes in Perranporth, following rugged coast paths with a single checkpoint at St Agnes Head stocked with fluids and snacks. The course emphasizes e..

The Cateran Trail Ultramarathon is a challenging 55-mile (90 km) circular race starting and finishing at Gulabin Lodge in the Spittal of Glenshee, Scotland. The course follows ancient drove roads and tracks once used by the Caterans, historic cattle thieves, traversing forest trails, rough tracks, a..

Boghopper Races' Holy Trail Festival of Running is a trail running event in Suffolk, held at Nicholas Everitt Park, Oulton Broad, Lowestoft. Runners choose from three distances: Full Trail Marathon, 50 KM, and 50 Mile ultramarathon. The 50-mile route is a circular course starting and finishing at Ni..

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..

Lakeland Paws: Dogs @ Dodd Double Header is a canicross race held at Dodd Wood in the Lake District. The day features two fully marked forest routes: an 8K loop with about 370 meters of ascent and a shorter 5K option with around 210 meters of climbing. Runners navigate forest roads and trails with s..

PFW Running presents the Cottam Canter at the UCLAN Sports Arena in Cottam, Preston. Distances are offered on one course: 5K loop; 10K as two loops; half marathon as four loops plus a short out-and-back; marathon as eight loops plus a short out-and-back; and an ultra with unlimited laps within a six..

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..

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..

Moray Coastal Trail Races is a two-distance ultramarathon along Scotland’s Moray Coastal Trail. In 2025 the event introduced a 50-mile Ultra (Forres to Cullen Viaduct) and a 23-mile Trail (Lossiemouth to Cullen Viaduct). The course threads dramatic coastlines—from Findhorn and Burghead Bay to clifft..

Spire Ultra, held near Chesterfield, Derbyshire, is a 33-mile trail race that largely follows the Chesterfield Round Walk, circling the town famed for its Crooked Spire. In its 10th edition in 2026, the route traverses high moorland, ancient woodland, reservoirs and farmland, including eastern fring..