Trail Running calendar near Portishead 2025-2026

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..

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..

True Grit Trail Half Marathon takes place at Bridgend Miniature Railway Centre in Aberkenfig, Tondu, near Bridgend (CF32 0EH). The 13.1-mile route is described as epicly challenging, with mixed terrain, killer hills, a Quarry section known as the Hill of Doom, and a technical downhill forestry trail..

Rocky at 50 Run - Wales is a 7 hour time challenge held at Dare Valley Country Park in Aberdare. Runners may choose their own distance during the event, with a minimum official finish distance of 3 km. Finishers who complete at least 3 km receive a themed finisher medal, and distance pins are award..

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..

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..

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..

Dell 10km is held at Dummer Down Farm in the Hampshire countryside, hosted by Dummer Down Brewery. The event offers a 10km multi-terrain route (including a Canicross 10km option) across private farmland, woodlands, fields and local roads, with about 90% off-road and around 163m of elevation gain. Th..

The Cotswold Way Ultra Challenge is part of Ultra Challenge’s UK trek and trail run series. It starts from Cirencester Basecamp in the heart of the Cotswolds and offers Full 100 km, plus 75 km, 50 km, 25 km options, and a 10 km Cirencester leg. The 100 km loop threads rolling hills, villages and foo..

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..

Centurion Running's South Downs Way 50km is a 50km trail ultra in the South Downs National Park. The race starts at Matterley Bowl near Winchester and finishes at Queen Elizabeth Country Park along South Downs Way. The course is 80% trail and 20% road, with about 4,000 ft of climb.The route features..

The South Downs Way 100 is a 100-mile non-stop ultramarathon along the South Downs Way National Trail, from near Winchester to Eastbourne, England. The course runs along chalk ridgeway with rolling hills, ancient forts, villages and coastal views, about 15% road and 85% trail. Runners are supported..

The Cheddar Gorge Challenge is a demanding off-road running event held at Warren Farm, Charterhouse, Somerset, within the stunning Mendip Hills Area of Outstanding Natural Beauty. Offering distances from 1km fun runs to a full marathon, the course features diverse terrain including open fields, flat..

The Hampshire Hoppit is a trail-running event set in the Hampshire countryside, based in the village of Kingsclere, midway between Basingstoke and Newbury on the A339. Distances on offer are marathon, half marathon and 10k. Races are mainly off-road and run as clearly marked, single-lap routes with..

Jurassic Extinction / Jurassic Coast is a multi-distance ultra along the World Heritage Jurassic Coast, spanning from Poole to Exmouth. Distances on offer are 33km (Beer to Exmouth), 50km (Lyme Regis to Exmouth), 100km (Weymouth to Exmouth), and 105 miles (Poole to Exmouth), with a 70km option (Pool..

The PIGUM 2026 is a thrilling 30-mile ultra marathon set in Abergavenny, known as the Gateway to Wales. This challenging trail run features 5,000 feet of elevation, taking participants over mountain peaks and scenic trails, including the iconic Sugar Loaf mountain, which offers stunning panoramic vi..

Birmingham Black Country Half Marathon is a point-to-point race from Wolverhampton City Centre to Brindley Place in Birmingham. It covers the half marathon distance along canal towpaths, offering canal-side scenery with a hint of trail. The largely flat course includes locks, bridges, and the memora..

The Severn Challenge, also known as The MTC Severn Challenge, is Ultra Running Ltd's flagship five-day multiday ultra along the River Severn. It covers about 220 miles from the Hafren source to the Severn’s mouth, split into five stages: Hafren (26 miles), Severn Plod Ultra (47), Severn Path Ultra (..

The MTC Hafren Ultra is Day 1 of the MTC Severn Challenge, a Wales-based point-to-point ultra. The 27-mile route begins at Rhyd-y-benwch picnic area near Llanidloes, climbs to the Severn’s source on Plynlimon through boggy, exposed terrain, then follows Britain’s longest river path back to the finis..

The MTC Severn Plod Ultra is a 48-mile point-to-point ultramarathon starting at the Mid Wales Art Centre, Maesmawr, Powys. The route initially runs away from the River Severn, then rejoins at Dolerw Park, passing the Gorsedd stone circle and Newton’s Eisteddfod site before following the Severn towar..