Trail Running calendar near Cardiff Bay 2026-2027

A coastal trail run from Swanage seafront to Corfe Castle with 21k, 16.5k and 10.5k options plus a vintage train return.

Six hour trail event at Symonds Yat with 5.25 km loops, 160 m ascent per loop, technical terrain and medals awarded by completed loops.

Mixed terrain spring races in Seaton with a near 20 mile Grizzly and a 9 mile Cub, volunteer run and attracting about 2,000 entrants annually.

Flat canal races from Tiverton on the Grand Western Canal with Marathon, Half, 10k and a March-only 20 mile option; cupless event with finisher medals.

A supported 50 km, 29 km or 10 km loop event from Bath Racecourse with rest stops, GPS route tracking and options for walkers, joggers and runners.

The Way of the Dead (a Dartmoor Traverse East to West) will take place in Devon on Saturday 20 March 2027. You can run 50 kilometers.

Trail races around Escot Park offer a single-lap 10K (about 10.5 km) and a two-lap half marathon, both off-road with climbs and mud; canicross categories are available and medals are awarded to all finishers.

Trail races at Nant Yr Arian in the Cambrian Mountains with 25 km and 10 km routes, junior races, waymarked courses and feed stations.

Annual March challenge walk around Abergavenny with four route options from about 10 to 20 miles, mountain checkpoints and charity fundraising.

A way marked half marathon through forest trails around Speech House in the Forest of Dean on 21 March 2027. The Rotary Club organises the event with chip and gun timing, three water stations and charity links.

Coastal 5 km and 10 km races in Exmouth starting and finishing at Sideshore, with mixed terrain, beach and cliff sections, finishers medal options, and funds raised for the Sideshore Project.

Challenge event with 20 mile and 30 mile routes across Dorset downland and river valleys, starting from Cerne Abbas Village Hall on 21 March 2027.

A David Bowie themed trail event at Hurn Forest with lap based distances from 5K to ultra and a Bowie inspired finisher medal.

Three consecutive long distance days along the Jurassic Coast from Charmouth to Shell Bay. Daily support includes checkpoints with food and drinks, transport from HQ, GPS tracking, medical cover and a bespoke finisher medal.

A space‑themed trail event at Hurn Forest with distances from 5 km to ultra, 5.3 km laps, themed medal and aid station, and 20% of fees to Forestry England.

A 40 mile coastal ultra from Abbotsbury to Lulworth Cove along the South West Coast path, featuring rugged terrain, checkpoints every 10 to 20 km, compulsory safety kit and GPS tracking; ITRA and UTMB recognised.

Three long distance mountain trail races start and finish in Brecon, following circular routes through the Brecon Beacons National Park. Distances range from a marathon to a 100 km ultra with marked routes, checkpoints and compulsory kit re..

Trail and road running in Monmouth with hilly terrain, stiles, scenic views, well stocked aid stations and strong volunteer support, organised by Stable Adventures.

A 40 or 50 mile trail ultra along the Testway from Linkenholt to Totton in Southampton, with aid stations every 10 miles, marshals and medical support. A shuttle option is available for an extra £10 and there is a 14 hour cutoff.

Multi terrain event on the South West Coast Path offering a 50 km ultra and a 13.1 mile half with significant ascent, aid stations and mandatory kit.