Trail Running calendar near Cardiff 2026-2027

We have found 303 Trailruns within 80 miles of Cardiff. See below where and when you can find the races.

Black Beacon Mountain Races The Black Beacon Mountain Races are a series of linear long-distance mountain trail races. They cross from south to north through the Black Mountains and the Bannau Brycheiniog (Brecon Beacons) National Park in S..

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Devon Trail Races at Roadford Lake on October 31, 2026 features a 10K and a half marathon plus canicross options, with chip timing, marked and marshalled trails, feed station, finisher medal and category prizes.

Pilgrim 6 is a demanding 32 km mountain run featuring three ascents of Pen y Fan in the Brecon Beacons. Participants navigate six unique paths without repeating any route. The event offers both a classic trail run and a weighted category ca..

November 2026

A trail ultramarathon of about 36 miles around Maiden Newton, Dorset, with roughly 1,300 m of ascent, mostly off road and served by six aid stations. Navigation files and mandatory basic self-sufficiency kit are required.

Tackle the Apocalypse Run, a rugged 10 mile trail through Stonehouse with a stiff opening climb and muddy, undulating terrain. Canicross runners welcome and all finishers get a medal for braving the off road challenge.

Five ultra events on the South West Coast Path, from 38km to 178km. Traverse coastal scenery from Hartland to Exmoor, with significant elevation. All finish at the South West Coast Path Monument in Minehead.

Coastal trail runs on the Gower Peninsula, Britain's first Area of Outstanding Natural Beauty. Choose from four distances along cliff tops, woodland, and famous beaches. The event features flexible booking and is part of a season-long trail..

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Three distances on mixed terrain in the Brecon Beacons. The event offers an ultra (~50mi), marathon (~26mi), and half marathon (~13mi), all starting and finishing in Talybont-on-Usk.

Explore the forest trails of Margam Park with a choice of three distances: 5 km, 10 km, or a half marathon. The fully marked routes include checkpoints, and your entry covers parking, timing, and a finisher's medal. A mandatory kit list ens..

Off road 5 km and 10 km races around the Bath Skyline in November, with night and day options, a kids 500 m and a canicross wave. Mixed trails, muddy sections and marked routes with a large two sided medal for finishers.

Overview The Drogo 10 is a multi-terrain fell race, categorised as FRA BM and run under FRA regulations. It takes place at Castle Drogo on the National Trust estate. The course distance is approximately 10 miles (16 km) with a total climb o..

Run for a cause at the MoRun Bristol in Ashton Court Park. Choose from a half marathon, 10k, 5k, or a 1.5k kids' run on a scenic mixed-terrain course. The event supports the Movember charity's work in men's health.

The Maverick Dark Castle Trail is an evening run starting from the iconic Corfe Castle. Runners navigate the Purbeck Hills in the dark on routes from 5 to 15 km. The event features muddy trails, scenic night views, and a festive finish area..

The Dark Dart Dash returns with evening 5K and 10K runs on mixed terrain at Dartington Hall. There are also kids' races and a canicross option. After the run, participants can gather at the Green Table Cafe for refreshments.

Saturn Running's Smurf Run in Wales is a flexible 7-hour Time Challenge at Dare Valley Country Park. Run your chosen distance on scenic paths and earn a themed medal, goody bag, and snacks. All finishers get ice cream, and free parking is a..

This 8-hour timed challenge on 28 November 2026 invites you to complete as many 5.3 km laps as you wish on an old train line in Exmouth. With a flexible start window and a medal for all finishers, it's open to runners and walkers alike. The..

Join an 8-hour timed challenge on a scenic tarmac path. Start anytime between 07:30 and 14:30 and see how many 5.3 km laps you can complete by 15:30. Every finisher, whether walking or running one lap or more, receives a medal.

The RTT Afan Forest Trail 10k & 5K is the final race of the 2026 RTT Series. Choose between 5km and 10km trail runs through the scenic and varied terrain of Afan Forest. The event includes chip timing, a finisher's medal, and facilities sta..

December 2026

Run along the scenic Dorset coast at the Bournemouth Coastal TEN. Choose between a 10 Mile or 10K route starting from Hengistbury Head, featuring a flat, traffic-free path with sea views.

The Secret Santa Series offers a festive trail run in the Brecon Beacons. Choose from three challenging distances on new mountain routes. Enjoy a gift exchange, mulled wine at the finish, and support for local families.