Trail Running calendar near Bristol 2025-2026

Endurancelife Gower is a coastal trail-running event on the Gower Peninsula, centered on Oxwich Bay in Wales. It offers four distances: 10K (6.8 miles), Half Marathon (14.3 miles), Marathon (27.4 miles), and Ultra (34.2 miles). The route traverses strenuous terrain—cliff tops, downs, woodlands, sand..

Salt Settlers Six Hour Race is a six-hour endurance event held in the Lower Otter valley near Budleigh Salterton, Devon. Runners and walkers can complete as many 4.4 km loops as possible, with about 12 meters of ascent per lap on a flat, looped course. The race is open to solo runners and pairs in a..

East Devon 8 Trigs 2025 is a self-navigation trail event based at Budleigh Salterton Cricket Club, Devon. Organized by Climb South West Ltd, it offers three distances: 21 km (3 Trigs Half), 42 km (6 Trigs Marathon) and 53 km (8 Trigs Ultra). Open to runners and walkers, solo or in teams of two, with..

Beacons Ultra, Marathon and Half is a three-distance running weekend in the Brecon Beacons, start and finish in Talybont-on-Usk (Henderson Hall). The event offers a 49-mile ultra, a 26-mile marathon and a 13-mile half marathon, all on mixed trail, mountain, canal and road terrain. The Ultra runs two..

MoRunning Bristol is held at Ashton Court Park in Bristol and includes 1.5k Mini MoRun for kids, plus 5k and 10k MoRuns. The route combines paths and trails with hills from 1km up to 3km; it’s dog-friendly and suitable for off-road buggies, though some sections may be muddy or bumpy and it isn’t whe..

Southampton MoRunning brings the MoRun experience to the Common in Southampton. Participants can choose from 1.5k Mini MoRun, 5k, 10k and a Half Marathon, all run on a mix of park paths, trails and grass with some undulating sections. The Half Marathon starts with a 1.1k loop before four full laps.T..

The One by the Canal is a scenic half marathon trail run starting at Cowley Recreation Ground and following the Grand Union Canal's picturesque natural surroundings, finishing in Watford's Cassiobury Park. The course features country trails and woodland paths, marked and marshalled for safety, with..

DirtRun In The Dark is an off-road running event held at The Wyre Forest, Callow Hill Visitor Centre. Participants tackle a 10km course consisting of two laps around forest tracks and trails, all run in the dark, making torches compulsory. The race welcomes runners aged 14 and above and allows canic..

Trails & Tarmac 12hr Backyard Ultra, organized by Limitless Trails, takes place near Crickhowell in the Black Mountains. The race uses a 4.2-mile loop and features 12 laps within a 12-hour cap. The first eleven loops are completed within an hour; the twelfth yard becomes a final sprint to determine..

Bath Skyline 5km & 10km, a Relish Running Races off-road event at West Car Park, University of Bath (BA2 7AY), features night and day races across 5km and 10km, plus a daytime 500m kids' run. The hill-top routes traverse woodland trails, meadows and trails with views over Bath; expect muddy sections..

The Margam Trail Races take place at Margam Country Park and Forest, offering runners a scenic and well-marked trail running experience. The event features three distances: a half marathon (21.1 km with 750m elevation), a 10k (10.2 km with 420m elevation), and a 5k (5.1 km with 140m elevation). The..

New Forest Central Trail Run is held at Roundhill Campsite in the New Forest National Park, Beaulieu Road, Brockenhurst (SO42 7QL). It offers 10km, 17km, and 22km trail routes on wide, hard-packed gravel tracks that pass through ancient woodland and heathland, with opportunities to spot native ponie..

Dawn Two Dusk (Day Light Robery) is a 12-hour endurance event held at Bridgend Miniature Railway in the Bridgend area of South Wales. Participants tackle three 10-mile routes and attempt to run as many loops as possible within the 12-hour window. The mixed-terrain course includes hills, short road s..

The Rugged Radnage 10K Run, held in the Chiltern Hills near Radnage village, offers a challenging mixed-terrain course featuring roads, trails, footpaths, woods, and fields with notable ascents and descents. The event includes both 5K and 10K distances, with the 5K covering half of the 10K route. It..

The Callow Fell Race, organized by Mercia Fell Runners, is a challenging event that has transitioned from a summer to a winter series race. Covering a distance of 8.1 km with a total ascent of 762 meters, it is recognized as one of the toughest races in Shropshire. The course features steep climbs a..

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an ideal experience for both seasoned athletes and newcomers...

The MT10 (Multi-Terrain 10) is a 10-mile (16 km) off-road trail run held at Pembrey Country Park and along Cefn Sidan Beach in Carmarthenshire. The course features a mix of soil and firm sand surfaces, providing a varied terrain that accommodates runners of all abilities. Set in a scenic natural env..

Roly's Run 2025 is set in the Meon Valley, Hampshire, with Race HQ at Swanmore Village Hall. The event offers 15-, 20- and 40-mile options, with walkers welcome on the shorter routes and the ability to swap between 15/20 on the day. The clockwise courses start at Swanmore, passing Beacon Hill, Exton..

The Drogo 10 is a 10-mile (16 km) multi-terrain fell race (BM) run under FRA regulations, starting and finishing on Castle Drogo’s main driveway in Drewsteignton, near Exeter, Devon. The route climbs about 1,760 ft (535 m) through a mix of woods, tracks and river paths, including the famous Hunters’..

The Avebury8 Nine is a small, highly regarded trail race set in the Avebury World Heritage Site in Wiltshire. The roughly 9-mile course starts and finishes in Avebury, with the route starting on Bray Street, heading north to Yatesbury Lane, through Yatesbury, and returning to Avebury High Street to..