Trail Running calendar near Mumbles 2025-2026

We have found 201 Trailruns within 80 miles of Mumbles. See below where and when you can find the races.

Take on a rugged off road half marathon around Lundy Island, weaving coastal trails, clifftops and the North Lighthouse for dramatic sea views. Boat transport is available and every finisher earns a commemorative medal.

July 2026

Tackle a 30 mile ultra around Abergavenny, climbing Sugar Loaf and 5,000 feet of scenic mountain trails. Professionally organised with fully manned checkpoints, crew support and a memorable post race medal.

Run around 27 miles of mountain terrain to the source of the River Severn, climbing Plynlimon before following riverside paths into Mid Wales. Part of the MTC Severn Challenge, this scenic ultra offers rugged views and checkpoint support.

Run a five day, 220 mile ultra along the River Severn, following the Severn Way with rugged, sometimes overgrown trails and GPX navigation provided. Each day is a separate race with bespoke medals and a big trophy for completing all five.

Tackle the 48 mile MTC Severn Plod Ultra, a point to point scenic ultramarathon from Mid Wales to Shrewsbury along river paths and country trails. Expect rugged terrain, checkpoint support and an unforgettable challenge for experienced runn..

Challenge the Black Mountains on 11 July 2026 with 50 mile, 32 mile, marathon or half marathon routes from Longtown Hall. Self navigated and tracked, the races offer checkpoints, chip timing, camping, finish refreshments and a medal.

Enjoy the Otter Rail and River Run: a scenic off road 10 km through Otter Valley along the river, woods and old railway, plus a fun 1 mile run for all ages. Community event with finishers prizes and Otter Brewery beer.

Run across the wild Gower Peninsula from Penrice Castle basecamp with distances from 10 to 100 km, including a figure of eight ultra and weekend camping. Expect on course support, GPS tracking, and finisher goodies.

UTMB Index

Take on coastal trails at Merthyr Mawr Warren National Nature Reserve on 18 July 2026 with 12K, 40K and family races like Bunny and Toddler Dash. Expect sand dune descents, river crossings and dramatic cliffside views for a true Welsh trail..

Take on the wild Wales Coast Path with The Dragon Coastal Races, three stunning ultra trail routes finishing in Cardiff Bay. Choose 30, 50 or 100 miles of rugged coastal scenery, aid stations and live GPS tracking on 18 to 19 July 2026.

UTMB Index

Enjoy the Wye Valley Tunnel Run along the scenic Greenway, including the 1 km Tidenham Tunnel and riverside railway paths. Distances from kids Colourburst to marathon make this a family event with waymarked routes and on course feast statio..

Tackle trails and a climb to the Iron Age hillfort at Croft Ambrey on 19 July 2026, with 5 mile and 10 mile options. Fully marked courses, water stations and marshals make the scenic Herefordshire challenge welcoming to all abilities.

The Beacons Way Ultra is a stunning but demanding 100 km trail across the Brecon Beacons high ground including Pen y Fan. 24 hour cutoff and 250 places by application make this race ideal for experienced navigators with strong hill fitness.

Tackle an epic 100 mile ultramarathon across the Brecon Beacons National Park, summiting iconic peaks and crossing wild mountain trails. Limited to 250 runners with live GPS tracking and full checkpoint support, this is a true test of endur..

Ultra X Wales in the Brecon Beacons on 25 and 26 July 2026 offers trail races from 12 km to 110 km with aid stations along the routes. Camp on site, benefit from UTMB index status and GPS tracking for the 110 km, and earn a finisher medal.

UTMB Index

Run a scenic 50 km loop from Dunster along the South West Coast Path across Exmoor with about 1600 m climb, or choose shorter loops and a family 10K around Dunster Castle. Camping and robust on course support make this a top summer ultra.

Run or walk as far as you like in the 7 hour Ooops I Ran It Again event at scenic Dare Valley Country Park, from 3 km to ultra distances. Finishers earn themed medals and distance pins, with aid stations, vegan snacks and free parking, and..

Take on the Pen Y Fan Challenge on 26 July 2026, a scenic trail run to the summit of the highest peak in South Wales with 5 or 13 mile options. Entries include a buff, medal, chip timing, marshalled route and post race refreshments for a re..

August 2026

Tackle EDDUM 2026, a 50 mile loop along the Epynt Way around Sennybridge Training Area, framed by the Brecon Beacons and Cambrian Mountains. No time limit, fully stocked checkpoints and crew support.

Enjoy the Totnes 10K along mostly off road riverside trails beside the River Dart, starting and finishing in Borough Park with a lively race hub and bespoke finisher medal. Limited places and proceeds support Totnes Caring.