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.

Westcountry Ultra 100 is a scenic and tough 100 mile trail from Taunton to Minehead, following canals, rivers and coastal paths. Expect dramatic views, challenging climbs and a 32 hour cutoff with plentiful aid stations.

Tackle rugged Exmoor trails at Martinhoe on 9 May 2026 with coastal views, steep climbs and wooded combes. Multiple distances from 10K to Ultra suit all levels and finishers earn leaderboard points.

UTMB Index

Tackle the Epona 100, a 100 mile ultra with 17,000 ft of climbing across Offa’s Dyke and the Beacons Way. Starting and finishing in Abergavenny, the mostly trail route offers eight aid stations and a 50 hour cutoff.

Tackle 40 miles along the ancient Ridgeway from Avebury to Streatley on 9 May 2026, passing barrows, hill forts and the Uffington White Horse. Friendly checkpoints and great support make this a memorable long distance walk.

Explore the wild Preseli hills in West Wales up to Foel Cwmcerwyn on trail, fell and boggy terrain. Choose the shorter Beast Bach or the full Preseli Beast for a scenic, tough off road challenge with post race food and evening social.

9 May 2026 in Church Stretton the Apocalypse Ultramarathon offers 10 to 50 mile options across four rugged loops totalling about 50 miles and 10,000 ft of ascent. Single HQ support and on site food keep runners moving but entries are full.

Challenge the Welsh Three Peaks: Snowdon, Cadair Idris and Pen y Fan across about 17 miles of rugged mountain scenery. Join guided events with transport and support or attempt a self organised challenge on public dates in 2026 and 2027.

Run through the Dorset landscape that inspired Thomas Hardy with a challenging trail half marathon or a 5 mile option. Start and finish at Dorchester Rugby Club with on route entertainment and an event village raising funds for local causes..

Join the Dilton Dash at Dilton Marsh for a scenic multi terrain 10K, 3K and half kilometre fun run, with medals for all finishers and prizes for top runners. Friendly small field event with refreshments and water stations.

Join the Scorpion Run on 10 May 2026 at Symonds Yat Rock for a scenic 10k trail through the Forest of Dean and Wye Valley with riverside views. Expect gravel tracks and a tough final 1 km climb to the cafe finish with coffee and hot food.

Take on the Caradoc Classic, a scenic 3.5 miles fell race from Church Stretton climbing about 268 m. Part of the local Summer Series, this friendly community event includes junior races and on the day entries.

Take on the OTT Trail Marathon or 10 mile race through the Brecon Beacons on 16 May 2026, featuring climbs over Pen Y Fan and sweeping reservoir views. A rugged looped trail challenge with scenic rewards and event buffs and coasters for fin..

Face the True Grit Trail Marathon on 16 May 2026 in Bridgend, a 26.2 mile adventure across mixed terrain, quarries and the notorious Mount Mayhem. Limited to 50 places, with a marked route, five aid stations and a bespoke finisher medal.

Scenic off road races at Roadford Lake in Devon from 1K kids runs to a half marathon with canicross options. Family friendly, chip timed with medals or charity alternatives and finish line snacks and beer.

Enjoy scenic trails around Ironbridge Gorge at The Shindig in the Shire, with challenging climbs and great views through Ironbridge and Jackfield. Choose 8, 16 or marathon distances then celebrate with pub food and finisher bling.

Join the Semington Slog on 16 May 2026 for a scenic 10K or family 2K around the village, canal towpath and leafy lanes. A friendly community fundraiser at St Georges School with marshalled routes, children’s activities and tasty food, plus..

Marilyn's Meldon Madness on 16 May 2026 invites runners to a spirited fell challenge at Meldon Reservoir near Okehampton, with a testing 415 m climb and sweeping moorland views. Pre entry is required and places are limited.

Run from Tudor Sudeley Castle through the rolling Cotswold Hills on scenic trails and historic paths. Distances from 7 km to 50k welcome all abilities and the event is dog friendly.

Tackle rugged coastal trails and pebble beaches at the Beer Blazer in Seaton, with 10 mile, 6 mile and a 1 mile fun run options. Expect dramatic cliff top views, steep climbs, a beach section and a post race BBQ for all.

Join the Portcullis Trail 10 km in Langport on Sunday 17 May 2026 for a scenic run across the Levels, droves and countryside around Cocklemoor. Expect mixed trail terrain and a friendly community vibe; no headphones or dogs.