Trail Running Calendar United Kingdom 2025-2026

The Glen Lyon Ultra Marathon is a challenging 31-mile race set in the remote and scenic Perthshire hills of Glen Lyon and Glen Lochay, Scotland. The course features approximately 3,500 feet of elevation gain and includes around six water crossings early on, ensuring wet feet. About 85% of the route..

Endurancelife Classic Quarter is a 44-mile ultramarathon along Cornwall’s south coast, running from Lizard Point to Lands End along the South West Coast Path. In its 20th anniversary year, the race welcomes solo runners and relay teams of two or four, tackling about 5,531 feet of ascent across rugge..

TSUNAMI Ocean Trails is OuterEdge Events’ rugged coastal trail challenge along the North Devon and Cornish coastline. The Ultra-marathon runs 37 miles from Westward Ho! to Bude; the Marathon goes from Clovelly harbour to Castle Bude; the Sixteen-mile option runs Hartland Quay to Bude. The courses tr..

The Samaritans Way Ultra is a trail running event held at Guisborough Rugby Club, featuring two race distances: a 40km marathon and a 60km ultra marathon. The course follows the Official Samaritans Way, a trail created by Teesside Samaritans, with updated routes for 2026. The event supports Teesside..

The Suffolk Back Yard Ultra is a highly competitive endurance running event held at High Lodge in Thetford Forest, Suffolk. Participants run a 4.167-mile loop every hour on the hour, continuing until only one runner completes a loop within the hour time limit. The course is flat, wide, and scenic, f..

Stanza Stones Summer Edition is a 24-hour ultra covering a 50-mile linear route from Marsden in West Yorkshire to Ilkley. The course climbs the South Pennines moorland, with over 6,600 feet of ascent, passing Haworth and over Ilkley Moor. Participants visit six Stanza Stones, each bearing a Simon Ar..

Ultra Scotland 100 is a 104-mile ultramarathon along Scotland’s Southern Upland Way, from St John’s Town of Dalry to Galashiels. Ultrarrunners traverse 4,611 meters of elevation across forests, valleys and high moorland, with landmark climbs including Benbrake, Gateshaw Rig, Lowther Hill (701m) and..

Lake District Ultra Challenge, staged in the southern Lake District with basecamp in Kendal, is a self-paced endurance event offering multiple distances. The Full Challenge is a 100 km loop featuring Garburn Pass, historic Ambleside, a halfway point by Lake Windermere, and scenic forests and nature..

The Sundowner Marathon is a unique running event held in Purleigh, Chelmsford, England, featuring a scenic course that passes along canals, over waterfalls, through vineyards, woodlands, and coastal saltmarshes. This marathon offers a distinctive experience by starting early on a summer evening and..

The VOGUM 2026 is a 40-mile ultra running challenge along the scenic Wales Coast Path, stretching from Porthcawl to Penarth in the Vale of Glamorgan. This event offers runners a chance to experience golden beaches, dramatic cliffs, and historic sites like Ogmore Castle and the famous stepping stones..

Ultra Scotland 50 is a 56-mile ultramarathon along Scotland’s Southern Upland Way. It begins at St John’s Town of Dalry and finishes at Moffat Rugby Club, with around 400 entrants and a 20-hour cut-off. The route weaves through forests, valleys and mountains and totals about 2,447 meters of ascent,..

The North Leeds Skyline is a trail running event held in Otley, featuring multiple race distances: a 50km Ultra Trail with 1000m elevation, a 25km Super Trail, and a 15km Challenge Trail. The course traverses public footpaths and trails around the scenic Chevin area, starting and finishing at Statio..

The Valley of the Owls Run, organized by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, Suffolk. The scenic course passes through the village of Ousden, known as the Valley of the Owls, featuring some of England’s oldest roads and beautiful countryside. Participants c..

Two Tunnels Races in Bath, UK offer a unique city-centre running experience beneath the city via the Devonshire Tunnel (408m) and Combe Down Tunnel (1672m)—the longest underground section of any UK race. The well-lit, surfaced tunnels form a flat, shared-use path starting and finishing at Brickfield..

BigSea Trails (WATER) is a trail running event held on the Isle of Purbeck, Dorset, starting and finishing on the sandy Knoll Beach at Studland. Part of the Classic Element Trail Series, this race celebrates the element of water with routes that showcase stunning coastal and countryside scenery, inc..

The Glen Lyon Trail Race is a 15.5-mile off-road running event set in the remote and scenic Glen Lyon in the Perthshire hills, Scotland. The course loops around Loch Lyon, featuring approximately six river crossings that ensure wet feet, a steep climb early on, and an undulating terrain covering 1,5..

Dell 10km takes place in the Hampshire countryside at Dummer Down Farm, hosted by Dummer Down Brewery. The event features a 10km multi-terrain route (and a Canicross 10km) that weaves through private farmland, woodlands, fields and local lanes, finishing back at the brewery taproom. The course is ab..

Wild Journeys: West Highland Way is a three-day ultra along Scotland’s West Highland Way, totaling about 96 miles (154 km) with around 4,312 m of ascent. The route runs from Milngavie to Fort William as a small-group, non-competitive challenge with overnight stays in different places. Day one is rou..

The Wentworth Castle Trail Runs, held at the scenic Wentworth Castle Gardens in Barnsley, South Yorkshire, offer 5km and 10km trail running events. Scheduled for the evening of June 10, 2026, the runs provide a unique opportunity to race or train on beautiful parkland paths, woodland trails, and pas..

Offa's Dyke 15 (2026) is a 15-mile off-road running event organized by Tempo Events, taking place on Saturday 13 June. Registration is at The Granary, 20-21 Broad Street, Hay-on-Wye, Herefordshire HR3 5DB. Solo entries cost £34 (plus service fee); relay entrants £47.The race carries a storied herita..