Cwm
Trail Running Calendar near Cwm 2026-2027
Explore the top trail runs near Cwm for 2026-2027! We've gathered 125 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
May 2027
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.
Trail Marathon and 10 mile trail race in the Brecon Beacons from Parkwood Outdoors near Dolygaer with compulsory kit requirements and checkpoint controls.
Two route options from Trehafod Community Village Hall on 15 May 2027, crossing the Rhondda Valleys with checkpoints, refreshments and a completion certificate.
A 10k trail run at Symonds Yat with riverside views and a notable final one kilometre climb. The mostly off road course includes long gravel firetracks and on site coffee and hot food.
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.
Altered Backyard Ultra at Tockington Manor on 29 May 2027, running hourly 4.126 mile loops up to a 30-loop cap for about 201 km, field capped at 250 runners.
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.
A 15-mile point-to-point trail race along the Offa’s Dyke footpath between Hay-on-Wye and Kington, featuring three water stations, two official cut off points, a relay option for two or three runners, baggage transport and on-course safety rules.
Inflatable obstacle-course fun run in Cardiff offering lap based distances from 2.5k to 15k with giant inflatables, music zones, medals and family-friendly rules.
July 2027
A 10 hour loop endurance challenge on Mynydd Troed with roughly 2.7 mile marked laps, about 1,000 ft ascent per lap, solo, pairs and four‑person team entries.
Trail races on the private Merthyr Mawr Estate with a 12K, half marathon and marathon across dunes, river crossings and the Glamorgan Heritage Coast.
Flat races along former railway and riverside paths through the Wye Valley, featuring long tunnel sections, multiple feed stations and a choice of fun runs, 10km, half and marathon.
A 100 mile self navigated ultramarathon across the Brecon Beacons with 6,143 m ascent, ten checkpoints, live GPS tracking, strict qualifying criteria and mandatory kit requirements.
An urban navigation challenge in Cardiff where participants are blindfolded, dropped at an undisclosed location and must return across 6, 10 or 15 miles without maps or GPS.
A multi day trail ultramarathon in the Brecon Beacons with distances from 12 km to 110 km, UTMB Index categories and on-site camping.
A 100 km race across the Brecon Beacons with 3178 m ascent, six checkpoints and a 24 hour limit; map and compass navigation plus prior ultramarathon experience are required.
Three coastal races from Rhossili to Cardiff Bay along marked trails with checkpoints, GPS tracking and a mix of beaches, dunes, forest and parkland.