Trail Running calendar near Swansea 2025-2026

We have found 174 Trailruns within 80 miles of Swansea. See below where and when you can find the races.

The Mendip Marauder is a challenging ultra running event held in Somerset, England, featuring two distances: a 30-mile and a 50-mile race. The 50-miler covers the entire Mendip Way, starting in Frome and finishing at Uphill Sands Beach, while the 30-miler begins in Wells and follows the latter part..

Saturn Running's "Will Run For Ice Cream" event takes place in the scenic Dare Valley Country Park, Aberdare, Wales. This inclusive 7-hour time challenge allows participants to run or walk as many laps as they wish on a well-maintained 4.37-mile (7km) loop, with shorter options for younger runners...

The Ross on Wye 10K Riverbank Run is a popular running event held in Ross-on-Wye, Herefordshire, featuring chip-timed 10K and 5K races along with a family fun run. The course is flat and multi-terrain, running alongside the scenic River Wye, incorporating river paths with grass and mud sections. The..

September 2025

RunThrough Snowdonia Sea2Sky 53k & 25k Trail Races, a brand-new RunThrough event set in Snowdonia, takes place on Saturday, 6 September 2025 in Barmouth. Runners can choose between 25k and 53k trail distances, designed to challenge participants on scenic routes with amazing views. The course is mars..

UTMB Index

Dartmoor in a Day Ultra is Climb South West’s fully supported Dartmoor challenge with a 50km Ultra and a 30km Challenge. The route starts in Okehampton, passes Postbridge, and finishes in Ivybridge, featuring West Dart stepping stones, Ryder’s Hill, a clapper bridge over the Avon, and views toward t..

UTMB Index

The RIDUM 2025 is a 30-mile ultra around the Rhymney Valley Ridgeway Walk in South East Wales, near Caerphilly. The route climbs 4,252 feet through lanes, trails and woodland, with ridge-top views and Mynydd Machen (362m) as the high point. Expect a friendly Pegasus atmosphere, with three checkpoint..

Haytor Heller is a popular, well-established moorland running race staged by Teignbridge Trotters in Devon. In its 39th year, it starts below Haytor Rock and follows a single, hilly lap of about 6 miles before finishing with a fast downhill sprint to the finish opposite the middle car park at Haytor..

Now in its sixty-second year, The Across Wales Walk is a 45-mile linear challenge from the English border at Anchor near Clun, Shropshire, to the Welsh coast at Clarach Bay near Aberystwyth. Described as a classic of the challenge walking calendar, it is open to walkers and runners with an 18-hour t..

The Blackdown Hills Half Marathon is a thrilling trail race held at Taunton Racecourse in Somerset, set amidst the scenic Blackdown Hills. Runners can choose between a 10K or a half marathon, with the latter featuring a challenging course that reaches the highest point in the Blackdowns. The route i..

Haldon Forest Park hosts a local orienteering event in Devon on Sunday 7 September. The event offers courses for all abilities: Short 2.5 km (45-minute limit), Medium 4.4 km (60 minutes), and Long 6.6 km (75 minutes), plus a 60-minute Score course for newcomers. On every course there are optional bo..

Crediton Crunch 10km is a multi-terrain race held at Queen Elizabeth School, Barnfield Site, Crediton, Devon. The course measures about 10K and is about 90% off-road, taking runners along footpaths, mowed grassland, private farmland and quiet country lanes. The route includes bridges, fields, and ri..

The Blackdown Hills Trail Run, organized by Prosper Events in South-west England, offers both 10K and half marathon distances starting from Taunton racecourse. The event features a challenging course that includes lively forest trails, muddy paths, peaceful roads, and the highest point in the Blackd..

The Woodchester Trail Challenge is a demanding, approximately eight-mile trail race held in Woodchester Park, Gloucestershire (postcode GL10 3TS). Designed for experienced trail runners, the course features hilly woodland tracks and must be completed within a 2.5-hour cutoff. The event offers compet..

Westonbirt Arboretum Summer 2025 is a multi-distance running event held at Westonbirt Arboretum, Tetbury, UK. Runners can choose from 1 mile, 5km, 10km and half marathon courses, with 10km and half marathon run in waves. The route winds through the National Arboretum’s varied gardens and species col..

Tour des Marches Challenge Walk is an endurance walking event based at Wistanstow Village Hall in south-west Shropshire, organized by the LDWA Marches Group. Participants choose from 12 or 18 miles to Clun or Bishop’s Castle respectively, or the full 26 miles looping back to Wistanstow, traversing u..

The Sourton Tors Fell Race is a traditional off-road fell running event held near Sourton Village Hall on Dartmoor, close to Okehampton. The senior race covers approximately 5 kilometers with a 276-meter ascent, featuring a challenging moorland course that includes compulsory checkpoints such as the..

The Dartmoor Volcano Race, run by OuterEdge Events, is a 10.5-mile trail race on southern Dartmoor, starting and finishing in the village of Scoriton on the edge of the moor. The route climbs over 550 metres of ascent to touch Ryder’s Hill, the area’s highest point, with the focal point being the Re..

The CapTEN & Bosun is a pair of fell runs along the Jurassic Coast near Seatown, Bridport, West Dorset. Runners can choose The Bosun, a single lap of about 5 miles, or The CapTEN, a double lap totaling around 11 miles. The courses follow the South West Coast Path and showcase Thorncombe Beacon and G..

Barney to Beach is an 8-mile community running and walking event in North Devon, from Barnstaple Pannier Market to Crow Point. The route largely follows flat sections along the Tarka Trail, offering expansive coastal views and a finish through dunes onto the beach. A 1-mile children’s race is availa..

Trails & Tarmac Backyard Ultra (Summer BYU) takes place near Crickhowell in the Black Mountains, Powys. The course features a 4.167-mile loop that is half trail and half tarmac, with a single gradual climb and a short steep section. Designed for speed on largely flat terrain, the event uses an open-..