Trail Running calendar near Bristol 2025-2026

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 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..

Centurion Running’s South Downs Way 50km is a 50km non-stop trail ultramarathon through the South Downs National Park. The course starts at Matterley Bowl near Winchester and finishes in the Event Field at Queen Elizabeth Country Park, following the chalk ridgeway along the South Downs Way with expa..

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 is a renowned off-road running event held in Hay-on-Wye, Hereford. The race covers a challenging 15-mile course along the historic Offa's Dyke path, offering runners a scenic yet demanding trail experience. Originally popular from 1977 to 2001, the event was revived in 2015 with the h..

South Downs Way 100 is a 100-mile non-stop ultramarathon along the South Downs Way National Trail in southern England. Beginning at Matterley Bowl near Winchester and finishing at Eastbourne’s athletics track, the route traverses chalk ridgeways with rolling hills, ancient forts, quaint villages, an..

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..

Jurassic Extinction / Jurassic Coast is a World Heritage coastline endurance challenge running and walking along the Jurassic Coast, from Poole to Exmouth. Distances offered are 33 km (Beer–Exmouth), 50 km (Lyme Regis–Exmouth), 70 km (Poole–Weymouth), 100 km (Weymouth–Exmouth) and the 105-mile Juras..

RunThrough Marlow Trail Run, held at Marlow Rugby Union Football Club on Riverwoods Drive, Marlow, unfolds as a scenic all-trail event in the Thames Valley. Runners choose from Half Marathon (one lap), 10K (one lap), or 5K (two laps), all on well-marked off-road routes through local countryside. The..

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..

The Birmingham Black Country Half Marathon (BBCHM) is a point-to-point half marathon from Wolverhampton City Centre to Brindley Place in Birmingham, run mainly along canal towpaths. The course is largely flat with some locks and bridges and features the notable Coseley Tunnel (360m). It uses seeded..

The Severn Challenge is a grueling 220-mile, five-day multistage ultra marathon in the UK, following the longest riverside path from the source of the River Severn in Wales to its mouth. The race is divided into five unique stages ranging from 26 to 59 miles each, with a total ascent of over 3,000 m..

The MTC Severn Plod Ultra is a 48‑mile, point‑to‑point ultramarathon run by Ultra Running Ltd. It starts at the Mid Wales Art Centre in Maesmawr, Caersws, Powys, and finishes at a Premier Inn in Shrewsbury. The course follows the River Severn, diverting inland briefly before rejoining the river at D..

The MTC Severn Way Ultra is a 57-mile point-to-point ultra along the Severn from Travelodge Worcester to Travelodge Stonehouse in Gloucestershire, passing Grimley, Worcester, Upton-on-Severn, Tewkesbury, Gloucester, Epney, Priding and Frampton-on-Severn. The route is described as comparatively flat,..

Limitless Trails’ Black Mountains event is a mountain-running challenge set in the Brecon Beacons. The program offers four distances: 50‑mile Ultra, 32‑mile Ultra, Marathon, and Half Marathon (13 miles). Runners start and finish at Longtown Hall in Herefordshire, with routes weaving through the Blac..

The Cider 5K.ish is a one-lap, 5-kilometre trail run/walk set on Myncen Farm in Minchington, near Blandford Forum, Dorset. The undulating course takes you across fields, grass, wildflowers, crops and dusty tracks on private farmland with permission from the owner. The event is designed as a fun, rel..

The 24 Cider Challenge is a 24-hour solo running or walking event held at Myncen Farm in Blandford Forum, Dorset. Set on a privately owned farm, the course features undulating trails through fields, grass, wildflowers, crops, and dusty tracks, offering a scenic and natural running experience. Partic..

The Cider Challenge Solo is a 12-hour trail-running event held on a privately owned farm in Dorset (Myncen Farm, Minchington, Blandford Forum, DT11 8DH). Designed for solo runners, with the option to enter as part of a team, participants have 12 hours to run or walk as many laps as they can. The und..

Rabbit Run Wales is a series of stunning trail races staged on the private Merthyr Mawr Estate on the South Wales coast, inside the Merthyr Mawr Warren National Nature Reserve, a wildlife haven. The event offers a 12K route through diverse trails, with hills, valleys, a river crossing and an exhilar..

Gower Peninsula Ultra Challenge takes place on the Gower Peninsula in South Wales, Britain’s first Area of Outstanding Natural Beauty. Distances include 100km, 50km, a marathon (42km), 25km and 10km. The route is a figure‑of‑eight, with western and eastern loops that reveal the peninsula’s beaches,..