Trail Running calendar near Cardiff 2025-2026

We have found 255 Trailruns within 80 miles of Cardiff. See below where and when you can find the races.

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an..

The MT10 (Multi-Terrain 10) is a 10-mile (16 km) off-road trail run held at Pembrey Country Park and along Cefn Sidan Beach in Carmarthenshire. The course features a mix of soil and firm sand surfaces, providing a varied terrain that accomm..

Challenging 8.1 km fell race from Little Stretton with 762 m of ascent, four steep valley climbs and a fast descent finish. WFRA kit is mandatory and previous fell running or mountain experience is recommended as marshals and signage are li..

Enjoy a small 8 mile trail race through the stunning Avebury World Heritage Site in Wiltshire, weaving past ancient stone circles and rolling countryside. Organised by Marlborough Running Club, this popular November event often sells out.

Tackle the Drogo 10, a 10 mile fell race around Castle Drogo with steep climbs, woodland trails and river running across rugged, muddy terrain. Limited entries and half the entry fee supports the National Trust caring for the estate.

Join a colourful Colour Run or tackle a scenic 5k trail through Box village and the Bybrook valley with views of Box Tunnel. This inaugural community event supports Box Primary School and serves refreshments and finisher certificates.

Enjoy a scenic but tough trail marathon or half marathon in Broadway, Worcestershire on 16 November 2025. Routes climb to Broadway Tower, pass Sudeley Castle and traverse muddy Cotswold tracks, and entries are full with a waiting list open.

UTMB Index

Take on the Dart Challenge at Dartington Hall, Totnes, a six hour trail where you can run, hike or walk as many 5 km laps as you like for a finisher medal or bigger distance goals. Canicross welcome and proceeds help fund a new playground.

Dark Valley, Night Trails is a night-time trail run at Moors Valley Country Park, Ashley Heath, near Ringwood, Dorset. The 10km loop winds through wide, tree-lined forest tracks on the Hampshire/Dorset border, with 1, 2, or 3 laps for 10km,..

Enjoy a scenic, flat coastal run at the Bournemouth Coastal TEN, choose 10 mile or 10 km along Hengistbury Head and Boscombe Pier. Chip timing, a finisher medal and post race refreshments make it a perfect seaside challenge for all abilitie..

Event overview The Smurf Run is organised by Saturn Too Limited, a franchise partner of Saturn Running, and is scheduled for 22/11/2025 at Dare Valley Country Park, Aberdare, CF44 7PS. The event is run as a 7 hour Time Challenge that allows..

Run under the stars at Dartington Hall in the Dark Dart Dash, a night trail with 1K to 10K races plus canicross and kids events. Bring a head torch and trail shoes for muddy terrain and enjoy food on site.

Budleigh Blister, hosted by Exmouth Harriers, takes place near Budleigh Salterton with the event anchored at The Holt, E Budleigh Rd. The weekend offers an approx 10-mile off-road course featuring stunning coastal and countryside scenery, p..

Take on the New Forest Stinger, a scenic 10 mile trail race at Ocknell Campsite near Lyndhurst on 23 November 2025. Expect forest paths, supportive aid stations and a medal at the finish for a lively off road challenge.

Tackle the Combe Crawler, a 13.6 km (8.5 miles) coastal and woodland trail race in Ilfracombe on 23 November 2025. Limited to 200 runners, this marshalled charity race mixes steep coastal paths and fields for a scenic, testing challenge.

Experience autumn trails through ancient trees at the DirtRun Wyre Wizard Trail in Wyre Forest. Choose the 13 mile trail half or the 7.6 mile Super Seven and enjoy marshalled routes, onsite cafe and finisher goodies.

Take on Wyre Forest after dark in an atmospheric 10 km off road race over two laps, with torches required and canicross welcome. Limited places and a finisher medal make this a thrilling night trail challenge.

The Medal Mix Challenge Day 1, organized by Running Events Devon, takes place near Capel Lane, Littleham, Exmouth on November 29, 2025. This 7-hour timed event welcomes runners and walkers of all abilities to complete as many 5.3 km laps as..

The Medal Mix Challenge Day 2, organized by Running Events Devon, takes place near Capel Lane, Littleham, Exmouth on Sunday, 30th November 2025. This 7-hour timed event features an accurately measured 5.3 km out-and-back course on a scenic,..

Tackle the Croome Capability Canter, a single lap 6.5 mile off road course around parkland with a big hill at the start and finish. Limited to 350 spots, this autumn race awards finishers medals and goodie bags.