Trail Running calendar near Cardiff 2026-2027

A mountain trail marathon of about 26.2 miles and a separate 10 mile race start and finish at Parkwood Dolygaer in the Brecon Beacons. The marathon has three checkpoints and a six hour cutoff at 20.5 miles; compulsory kit is required for bo..

Trail races at Roadford Lake on 16 May 2026 offer 10.5 km and 5 km laps, with a half marathon run as two laps of the longer course. Kids races for ages 3 to 11 allow adults to run free and entries include chip timing and a finisher medal.

A multi lap running event from The Unicorn Inn in Telford with routes of 8, 16 and 26.2 miles passing Ironbridge Gorge and returning via the Silkin Way. Ales, pub food and event bling are available after the runs.

The Semington Slog on 16 May 2026 features a 10 km and 2 km run from St Georges School. Routes explore the village and Kennet and Avon Canal towpath. Enjoy community activities, refreshments, and prizes.

A fell running event at Meldon Reservoir featuring a five mile senior race climbing 1,362 ft to High Willhays and return, plus junior races over 2 km and 4 km. The course requires self navigation and includes compulsory checkpoints.

Trail running from Sudeley Castle in the northern Cotswolds with routes from 7 km to 51 km, marked trails, outposts and mandatory kit requirements for longer distances.

A community Pretty Muddy 5k obstacle course in Singleton Park on 16 May 2026, with mixed grass and path terrain, staggered wave starts and accessibility provisions including sunflower wristbands and BSL stage content.

A multi-terrain 10 mile, 6 mile and 1 mile fun run in Beer, East Devon on 17 May 2026, organised by Beer Primary School PTFA to raise funds for the school with coastal and trail sections.

This 10K trail race starts and finishes on Cocklemoor in Langport, taking runners across mixed terrain paths through the Somerset Levels and countryside. It follows UK Athletics rules and is open to participants aged 17 and over.

A point to point race of approximately 5 miles along river paths and a canal towpath on 17 May 2026, organised by Maldwyn Harriers. Entry fees vary by category and entries may be taken on the day.

An off road 10 km trail around Barbury Castle near Wroughton, featuring tracks, grass and Smeathes Ridge. The event is fully marshalled, supports Wiltshire and Bath Air Ambulance Charity and includes a finishers medal and post race refreshm..

A short, hilly 5.3 km race in All Stretton on 20 May 2026 with registration at the Yew Tree Inn. The event includes junior races, supports local charities, and forms part of the Shropshire Summer Series.

A multi terrain 10 km run on 22 May 2026 through Parc Dinefwr, Parc Penlan and Parc le Conquet with a 90 minute cut off; entry includes cheese and wine for finishers and an optional event T shirt.

A fell race from Peter Tavy across Coombe Tor, Cox Tor and the Langstone with ascents, descents and technical sections. The main senior course is about 10 km and junior races are also provided.

A 26.2 mile trail marathon near Bridgend with mixed terrain, quarry and forestry sections, and a route past the Bedford ironworks. Places are limited to 60 runners and the course is marked with GPX and five feed stations.

Trail half marathon and 10K at Taunton Rugby Club on 24 May 2026, held on largely flat waymarked trails by local waterways. Chip timed event with feed stations, medical cover, event photography and wooden finisher medals.

Point to point ultramarathon across Dorset offering 100k, 50k and an 18 miles Purbeck Traverse. The mostly off road route uses marked GPX tracks, includes steep Purbeck ridges and coastal views, and requires mandatory kit and prior marathon..

A chip timed *10k* trail run on 24 May 2026 that starts and finishes at Bredon Cricket Club. The marshalled route climbs to the 299 m summit of Bredon Hill and all finishers receive a medal.

Crocodile 8 on 24 May 2026 is a hilly trail and tarmac race around Tillington and Burghill with music en route and an after-event party at Burghill Community Academy. Senior and junior distances are available.

A long-standing 16 mile mixed surface hill race in Lampeter that follows the Teifi valley and crosses the Sarn Helen roman road. It offers individual entries and three person relays and includes a prize for beating the course record.