Trail Running calendar near Portishead 2025-2026

The Secret Santa Series is a festive trail running event held in the Brecon Beacons National Park, starting and finishing at Cwmdu Village Hall, Powys. It offers three challenging distances: 14 km, 10 miles, and a half marathon, with significant elevation gains up to 4,013 feet. The routes traverse..

The Secret Santa Tinsel Half Marathon is part of a festive running series held in the scenic Black Mountains near Crickhowell, Powys, starting from Cwmdu Village Hall. The event features three challenging distances: the Figgy Pudding 14km, Turkey Ten Mile, and the Half Marathon du Mulled Wine. All r..

Endurancelife Dorset is a challenging trail running event set along the stunning Jurassic Coast Path near Swanage, a UNESCO World Heritage site. The event offers multiple distances including a 10K, half marathon, marathon, and ultra marathon, with ascents ranging from 774 to 7,027 feet, making it a..

The Cardington Cracker is a popular fell running event organized by Telford Athletic Club, taking place in Cardington, Shropshire. The race covers a distance of 14.5 km with a total ascent of 793 meters, making it a challenging course, especially in December's conditions. Participants must pre-regis..

The New Forest Xmas Trails is a festive trail running event hosted by BigFeat Events, set in the picturesque New Forest National Park. Participants can choose from four distances: 15K, 30K, Marathon, and 50K, all on challenging yet runnable off-road courses. The event begins at Holmesly Campsite, of..

The Celtic Trail Races, held annually at Dare Valley Country Park in Aberdare, South Wales, offer a festive trail running experience with three distances: a 34-mile ultra, a 26-mile marathon, and a 13-mile half marathon. The courses traverse rugged, ancient Celtic tracks through Afan Forest and the..

The Nightmare Before Xmas Trail ½ Marathon is a challenging trail running event held at the Bridgend Miniature Railway Centre in Bridgend, UK. Participants face a tough course starting with the "Hateful Eight," an 8-mile route featuring mixed terrain including a steep hill, scenic road sections, and..

The Christmas Carol Bobble Hat Run, organized by Saturn Running, takes place in the scenic Dare Valley Country Park in Aberdare, Wales. This inclusive event welcomes runners and walkers of all abilities. Participants can choose their distance within a 7-hour time challenge, with a minimum of 3km and..

The Slow and Dirty is a festive-themed 19-kilometer trail race held in Sturminster Newton, Dorset, following a level, hard-surfaced route along a former railway line known historically as the "Slow and Dirty" due to its slow trains. The course offers scenic views along the River Stour valley, passin..

The Winter Woolly 10km is a popular trail running event held annually on December 24th at Elstree School in Upper Woolhampton, Berkshire. Now in its sixth edition, the race features a scenic multi-terrain course covering 10 kilometers with 80% off-road paths, including lanes, footpaths, trails, wood..

The Plain Crazy (Winter) is a challenging 12.5-mile trail run held in Warminster, featuring a hilly and potentially snowy course that is scenic yet desolate and windy. The event supports The Royal British Legion Poppy Appeal and offers prizes across various age categories for both male and female ru..

The Bell Challenge Day 5, organized by Running Events Devon, takes place on January 2, 2026, in Exmouth, Devon. This 7-hour timed event features a mainly flat, 5.3 km out-and-back course along a scenic, disused train line, fully paved and accurately measured as a road race. Participants of all abili..

The Walter Raleigh Round Half Marathon is a scenic 13.6-mile race starting and finishing in Budleigh Salterton, England, tracing the birthplace and childhood countryside of Sir Walter Raleigh. The course features quiet back lanes, unsurfaced county roads, hidden footpaths, the Otter Valley, High Pea..

Haldon Night is a winter night trail running event held at Haldon Forest Park near Exeter, Devon. It features single-loop 10K and 5K courses, both professionally marked and marshalled, with slight adjustments to official distances. The event also offers children’s races: a 1K for ages 3-7 and a 2K f..

The Cardiff Trail 10k is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for January 18, 2026, this newly introduced race offers participants a unique blend of competition and natural beauty, making it an ideal choice for both experienced runners and newcomers...

The Pagan Midwinter Marathon is a challenging trail running event held in Chagford, located in the north-eastern corner of Dartmoor, Devon. Set in midwinter, the event offers two distances: a marathon of over 28 miles with more than 1500 meters of ascent, and a half marathon exceeding 14 miles with..

Pagan Trails is a challenging running event set in the picturesque Dartmoor region, specifically in Chagford. Participants can choose between two distances: a Marathon of over 28 miles and a Half Marathon exceeding 14 miles, both featuring significant elevation gains. The routes take runners past an..

Saturn Running's "Spice Up Your Run - Wales" is a fun and inclusive running event held at Dare Valley Country Park in Aberdare. Participants can walk or run a minimum of 3km, with options to complete laps of approximately 7km each, allowing distances up to 50km, including half-marathon, marathon, an..

The Stonehenge Stomp is a popular walking and running event organized by the City of Salisbury Athletics & Running Club, held near the iconic Stonehenge site. Participants can choose from fully marked trail distances of 5 km (family-friendly), 10 km, 20 km, 30 km, or 40 km, all offering scenic views..

The Moors Valley Wildwood Trail Series Half Marathon & 10K is a trail running event held at Moors Valley Country Park & Forest in Dorset. Scheduled for January 25, 2026, it offers two distances: a half marathon consisting of two laps and a 10K with one lap. The course features scenic woodland trails..