Trail Running Calendar United Kingdom 2025-2026

Trent Valley Ultra 2026 is a 50-kilometre ultra marathon organized by Quadrio Events, starting at Milestone Brewery & Tap in Cromwell, Newark (Nottinghamshire). The scenic route uses villages, footpaths, bridleways, tracks and minor roads for a picturesque brewery-to-brewery experience. Checkpoints..

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 Bronte Half Marathon is a 13.1-mile trail race held in the scenic Bronte Country between Haworth and Hebden Bridge, Yorkshire. Known for its hilly course, the event supports Sue Ryder and offers a unique challenge alongside the Bronte Bike Challenge, inviting runners to compete against cyclists...

Set in the Peak District village of Youlgrave, Derbyshire, the Pommie Panter Fell Race covers about 5.8 miles (9.3 km) with roughly 267 m (876 ft) of ascent. The route blends rough trails, open fields, and short country-lane sections, with a swamp and occasional low-level technical parts; cows may b..

Cape Wrath Ultra is Scotland's premier multi-stage ultra running event. The course covers 400km over eight days, starting in Fort William and finishing at Cape Wrath. Runners traverse the Scottish Highlands through iconic landscapes such as Knoydart, Kintail, Torridon, Assynt and Sutherland, offerin..

SilverBackTrails Oswiu’s Revenge is a low-key trail half marathon of around 13.2 miles, held near Osmotherley and starting from Square Corner. The course winds through Black Hambleton and Silton Woods, along forest tracks and ancient trods with views of the North Yorkshire Moors and the Vale of York..

The Leaden Boot Challenge is a 26.2-mile endurance walk/run in the Peak District National Park, starting and finishing in Alstonefield’s White Peak. The route climbs and descends about 4,800 feet along an elliptical course that avoids many of the most-travelled trails. It passes through Milldale, Ba..

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 Saturn 7 Hour Time Challenge in Durham, part of the Dun Holm Challenge series, is a trail running event held along the scenic River Wear with views of Durham Cathedral. Hosted at the Durham Amateur Rowing Club, the course features a flat, fully signed loop of approximately 4.37 miles (7 km), wit..

Hardmoors 200 is a 200-mile single-stage ultramarathon in the Hardmoors Race Series. The race starts in Kingston upon Hull and traces the Humber along the Transpennine Trail to Hessle, then follows the Wolds Way National Trail for 79 miles through woodlands, hills and valleys, finishing on Filey Bri..

London 2 Brighton Ultra Challenge is Ultra Challenge’s flagship Capital-to-Coast trek from Richmond to Brighton. On 23-24 May 2026, it offers a full 100km route with ~1500 m of ascent, plus shorter options of about 50km and 25km, including a Brighton 25km loop. The course traverses Surrey and Sussex..

The Fox is a RunThrough Trails event set in the Surrey countryside, offering three trail distances: 20k, 41k and 62k. Runners start at different venues—Merrist Wood College in Worplesdon (20k), West Clandon Village Hall (41k), and Burys Field in Godalming (62k)—before all finish back at Burys Field...

Skye Trail Ultra is a 79-mile ultramarathon along the unmarked Skye Trail on the Isle of Skye, starting at Duntulm and finishing in Broadford. The course climbs about 3,780 meters through rugged mountain ridges and coastal trails, with seven checkpoints and live online tracking. Entry is by applicat..

Seven Sisters Half Marathon is a scenic, single-loop trail race through the South Downs National Park, starting and finishing at Helen Garden in Eastbourne. Runners follow the South Downs Way from Eastbourne to Friston Forest, traverse woodland trails, pass the Seven Sisters, and return over Beachy..

Sabre XXIII Weekend 9 takes place in the Howgill Fells, a 25.5 km Run/TAB/YOMP/Hike. The out-and-back route covers around 1500m of ascent and draws on the former 23 SAS final test route. Now in its fourth year, the event returns with a fully waymarked course; a GPX file is available for the technica..

Grand Union Canal Race (GUCR) is a 145-mile non-stop ultramarathon along the Grand Union Canal Towpath from Gas Street Basin, Birmingham to Little Venice, London. Dubbed “The Long Run” and regarded by many as Britain’s premier ultra, the race follows a way-marked, flat towpath through urban and rura..

The Hardmoors 110 Ultramarathon follows the Cleveland Way National Trail, encircling the North York Moors and the Cleveland Heritage coastline. The course begins in Filey and traverses coastal towns such as Scarborough, Robin Hood’s Bay, Whitby, Staithes, Runswick Bay, and Saltburn before climbing t..

South Downs 50k is a 50-kilometre point-to-point trail race from Falmer (University of Brighton) to Eastbourne, largely following the South Downs Way through the South Downs National Park. The route features runnable trails with grass, farm tracks and forest sections, totaling roughly 3,600 feet of..

Grim Reaper Running Festival returns to Grimsthorpe Castle Estate in South Lincolnshire on May 23–24, 2026, with distances for all abilities: 10, 40, 70 and 100 miles solo, plus a 100-mile team relay. There are two 10-mile races (day and night). The 10-mile loop combines grass trails through ancient..

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..