Trail Running calendar near Cardiff 2025-2026

Test your legs on the Dartmoor Volcano Race, a scenic 10.5 mile trail that climbs to Ryder's Hill and winds past the Red Lake Volcano. Rugged moorland, river crossings and sweeping views make this a bold and memorable challenge.

Tackle The Relentless on 18 September 2026 at Bridgend Miniature Railway, a rugged 10 mile loop with big climbs and a full lap hub for crew, food and rest. Pick 50 mile or 100 mile and push your limits on this intimate ultra.

Race 47 miles along the Cotswold Way from Chipping Campden to Painswick, traversing the rolling hills of the Cotswolds Area of Outstanding Natural Beauty. This licensed continuous trail challenge runs under UK Athletics and TRA rules.

Tackle the iconic Cotswold Way Century, a 102 mile single stage trail from Chipping Campden to Bath across rolling hills and varied terrain. You have 32 hours to earn a buckle while enjoying live tracking, aid stations and full GPX support.

Salmon Run on 19 September 2026 is a scenic community run from Exmouth to Dulverton offering a 43 mile ultra or relay sections for teams. Celebrate river conservation with music, local activities and a medal for all finishers.

BigSky Trails on 20 Sept 2026 invites runners to airy high New Forest routes as the finale of the Classic Element series. Pick 18 miles, marathon or 50k ultramarathon across open plains and winding woods on fully marked, marshalled routes.

Looped trail running at Avon Tyrrell in the New Forest, circling a Grade I listed manor on technical forest trails that blend scenery and challenge. Pick your distance on the day from 5K to ultramarathon and earn a finisher medal.

Run the stunning Gower Coastal Trail Races on 26 September 2026, with 23, 34 or 50 mile options along dramatic cliffs, beaches and charming fishing villages. Chip timing, checkpoints and post race facilities make this a must do coastal chal..

Enjoy scenic off road runs or walks around Fleet Lagoon in Dorset, with 10k, half marathon, marathon, a new four person marathon relay and a canicross category. Trails are waymarked and the event raises funds for local charities.

Take on scenic park trails at Margam Country Park on 27 September 2026 with a choice of 5K or 10K laps suited to runners of all levels. Chip timing, water stations and a finisher medal ensure a rewarding and well supported race day.

Run through ancient woodland in the Forest of Dean at the Autumn Half Marathon starting and finishing at Speech House. This scenic 13 mile trail on well marked tracks supports local charities and awards a medal to every finisher.

Race on the Chase features marathon, half marathon and 10k routes across rolling chalk downland, woodland and ancient sites in Martin Down, finishing at Salisbury Racecourse. Every finisher gets a medal and the top three men and women win t..

Run wild Dartmoor in early October with the Dartmoor Way from Okehampton, choose the challenging 100 mile Full Circle or the rugged 51 mile Granite 50. Waymarked and fully supported, routes across moorland promise epic scenery.

Run the Dartmoor Way in October 2026 with two linked supported ultras: Full Circle 100 around the moor and Granite 50 on the eastern leg. Tough moorland, scenic trails and staffed checkpoints make it a fully supported adventure.

Take on a 50 km point to point ultramarathon from Moors Valley to Hengistbury Head, blending forest trails and coastal paths into a flat, scenic course. Perfect for seasoned road and trail runners seeking a stunning autumn challenge.

Push your limits on the Salt Settlers Six Hour Race, a scenic 4.4 km loop in the Lower Otter valley from Budleigh Salterton Cricket Club. Run or walk solo or in pairs across six hours and enjoy cafe, showers and a commemorative memento.

Put your navigation skills to the test at East Devon 8 Trigs, a self navigated trail from Budleigh Salterton with 21 km, 42 km and 53 km routes along the South West Coast Path and Woodbury Common. Solo or two person teams, GPS tracking and..

Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Sibelco Templer Ten on 4 Oct 2026 at Stover School is a scenic 10 mile multi terrain run about 90 percent off road through Stover Country Park. Entries are capped at 325 and often sell out, with medals for all finishers.

Run a scenic and rugged half marathon through the Quantock Hills, featuring rolling climbs, forest trails and open moorland. Enjoy on course support, a finishers medal and a festival vibe with camping, pizza and nearby pubs.