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Trail Running Calendar near Nantgarw 2026-2027

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Explore the top trail runs near Nantgarw for 2026-2027! We've gathered 91 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

March 2027
Annual March challenge walk around Abergavenny with four route options from about 10 to 20 miles, mountain checkpoints and charity fundraising.
April 2027
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 requirements..
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 200 mile point to point trail race across South Wales from Chepstow to Worm’s Head, with a 120 hour limit, live runner tracking, eight aid stations and organised drop bag support.
A trail running event using the West Somerset Railway steam line, offering 11 km, 11 miles and a full marathon. Runners travel by steam train to their start points and finish outside Minehead Station, with routes through the Quantock Hills.
Trail ultramarathons in the Mendip Hills offering two self navigation distances, 50 miles and 50 km, organised by Town and Country Harriers to benefit the Mendips Hills Fund. Aid stations, GPS trackers, finish medals, prizes and camping are provided.
Traverse the mountains and forests of the Brecon Beacons National Park with 10, 20, or 40 mile trail options. Enjoy a fully marked course and well stocked checkpoints in this canicross friendly mountain challenge.
A 10 km multi terrain route from Selworthy Beacon down technical trails finishing on Minehead Beach with views over the Bristol Channel and Exmoor National Park.
A last-person-standing Backyard Ultra at the Medieval Village, Cosmeston Lakes: runners repeat a fixed 6706 m loop each hour until one athlete completes one more loop than anyone else. Camping and on-site facilities are provided.
Three coastal trail races on the Vale of Glamorgan coast on 24 April 2027, including a 32.5 mile ultra, 18.5 mile trail and 10 mile route. The course follows the Wales Coast Path and finishes at Ogmore-by-Sea Village Hall.
May 2027
A 5k obstacle course at Coopers Field, Bute Park, Cardiff, with tarmac paths and grassy sections that can get boggy after rain. The event raises funds for Cancer Research UK and uses staggered wave starts; participants must be 13 or older.
A Wales trail event offering 100 mile and 100 km races across Offa’s Dyke, the Cambrian Way and the Beacons Way with volunteer support.
A 50 mile Somerset trail ultra with about 7337 ft ascent, coastal and moorland terrain, six aid stations and a 16 hour cutoff.
A muddy 5k obstacle course through Singleton Park with mixed terrain, staggered waves, an age limit of 13+, and on-site facilities including toilets and refreshments.
Mountain trail marathon and 10 mile race around Parkwood Dolygaer in the Brecon Beacons, with three checkpoints and a six-hour cutoff at 20.5 miles.
26.5 mile and 16 mile challenge walks around the Rhondda Valleys from Trehafod, organised by the South Wales Group of the LDWA.
Trail running at Margam Country Park on 23 May 2027 with 5 km, 10 km and half marathon routes, live chip timing, canicross allowed and limited on-site parking.
A multi-stage event at Dare Valley Country Park where runners complete five Pure distances within 24 hours, with separate and combined results. Distances include 5k, 10k, 50k, half marathon and marathon.
June 2027
The VOGUM 2027 is an in-person running event in Porthcawl, United Kingdom, organised by Stable Adventures on 5 June 2027; entries are listed as sold out.
An off-road race series around Cheddar Gorge and the Mendip Hills with distances from 1 km to marathon and an Omnium option; half and marathon hold UTMB index status.
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