Trail Running calendar near Nantgarw 2025-2026

We have found 277 Trailruns within 80 miles of Nantgarw. See below where and when you can find the races.

Take part in the Minster Challenge on 29 March 2026 in Axminster, with 12km, 5km and 3km options across scenic but testing terrain. All finishers get medals and you can refuel with homemade cakes and hot drinks at race HQ.

Take on the Feighan Fury at Templeton near Tiverton with a tough 10 mile trail through scenic private estates or enjoy a friendly 5 km fun run. Mostly off road, hilly and well supported for race day fun.

Join the Run Upcote Spring Trail on 29 March 2026 at Upcote Farm for a scenic 5 mile off road race across bridleways, farm tracks and forest paths with testing climbs and descents. Entries are limited so expect a friendly, well supported ev..

April 2026

Run the Testway Ultra on 4 April 2026 and choose a scenic 40 or 50 mile route along Hampshire's Testway with regular aid stations and a 14 hour cutoff. Medals and prizes await finishers.

The Aberdyfi Half Marathon will take place in Aberdyfi on Saturday 4 April 2026.

UTMB Index

Take on a scenic 30 mile circular ultra from Monmouth through the borderlands, passing medieval castles and following sections of Offa’s Dyke Path. Mostly trail with big climbs and fully manned checkpoints for support.

Run the iconic Pendine Sands on 5 April 2026 with beach out and back routes from 5k to a 32.8 mile ultra. Expect a scenic tidal course with bespoke finisher medals and trophies for top runners.

Steam to the coast then run back to Minehead along scenic trails and the ridgelines of the Quantock Hills. Choose 11 km, 11 miles or the 26.2 mile marathon as heritage steam trains ferry runners to their starts.

Discover the Vale Coastal Races on 11 April 2026 with 32.5 mile ultra, 18.5 mile and 10 mile trail options. The Wales Coast Path hugs cliffs, beaches and coves, finishing at Ogmore by Sea with marked notes and checkpoints.

UTMB Index

Enjoy stunning coastal, woodland and dune trails at Oxwich Bay with 5 km, 10 km or a self navigated half marathon. Part of the Run The Trails Series, the event is timed and all finishers receive a medal.

Run a rugged 22 mile trail from Exmouth to Seaton along the South West Coast Path with 4,000 feet of ascent and a beach finish in Seaton. Join Sidmouth Running Club on 12 April 2026 for a coastal challenge with relay options.

The Big Cheese is an off road fell race in Cheddar, Somerset, covering 15 miles across the Mendip Hills with over 2,000 ft of climb. Take on a fully marked course and enjoy a finisher's medal plus tea and cake at the end.

Tackle the Kymin Dash, a 7 mile road and trail race from Monmouth that climbs to the Round House for panoramic views before descending through fields and bluebell filled woodland. Enjoy a lively finish at Monmouth School Sports Club with Ki..

Take on the Wild Horse 200 series: two epic 200 mile trail ultramarathons across Welsh trails and mountains. Run the South Wales coast route from Chepstow to Worm's Head in April or the Mid Wales loop from and to Machyntlleth in June.

Take on the inaugural MTC Gelert 47 mile ultra from Barmouth to Llanidloes on 16 April 2026, the third day of the MTC CYMRUN end to end. Limited field, bespoke medal for all finishers and real time tracking for supporters.

Take on the inaugural MTC Afanc, a one day ultra of about 39.7 miles along National Cycle Route 8 with over 4,200 ft of ascent. Limited entry and GPS tracking make this intimate but demanding race ideal for seasoned ultrarunners.

Take on the Shropshire Way 80K Festival in the scenic Shropshire Hills, with route choices from 10K to 80K for walkers and runners. Support Grow Cook Learn while enjoying hilly trails, local food at checkpoints and a lively festival vibe.

Join a guided 18 mile trail run along the Malvern ridge with 1300 m of ascent, summiting scenic high points and returning through woodland trails. Social group pace with photo stops and guided support, nearby parking or train access, cost £..

Tackle the Beast of the Beacons, a supported trail race in the Brecon Beacons offering 10, 20 or epic 40 mile options. Marked routes, well stocked checkpoints and camping make it a proper mountain running weekend.

Explore the Black Mountains and the Forgotten Landscape above Blaenavon with 20, 30 or 50 mile options on April 18 and 19 2026. Routes thread past Cwmyoy, Llanthony and along the Monmouthshire and Brecon canal for a rugged scenic challenge.