Cwmbran
Trail Running Calendar near Cwmbran 2026-2027
Explore the top trail runs near Cwmbran for 2026-2027! We've gathered 144 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
July 2027
A mud run and obstacle race at Huntley Estate featuring climbs, crawls, muddy swamps and a chip timed 8 to 10 km course, with bespoke medal and event t-shirt for participants.
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-navigation ultramarathon across the Brecon Beacons with 6143 m ascent, 10 checkpoints, strict qualifying criteria and a 40 hour cut off.
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.
Trail ultra in the Brecon Beacons on 24 to 25 July 2027 offering distances from 10 km to 100 miles with charity and U23 entry options.
A self-navigated 100 km across the Brecon Beacons with 3178 m ascent, six staffed checkpoints, strict qualifying criteria and a 24-hour cut-off.
Coastal ultramarathons along the Wales Coast Path with 100-mile, 50-mile and 50 km options, marked routes, GPS support and staffed checkpoints.
August 2027
Mountain trail races from Talybont-on-Usk in the Brecon Beacons with 51 km and 24 km options, cupless aid stations, chip timing and a mandatory briefing.
A 35-mile trail ultramarathon on 29 August 2027 from Chepstow Castle along the Wye Valley Trail and Offas Dyke, returning through the Tiddenham Tunnel with live music at the finish.
September 2027
A single loop mountain ultra around Rudry in Caerphilly with 5,180 ft of ascent, mainly trail terrain, three checkpoints and a shorter RUDUM HALF option.
An annual non-commercial 27.4 km fell race in the Black Mountains with five checkpoints, full kit required and online entry via Fabian4.
A 12 hour Backyard Ultra on a 4.2 mile mixed trail and tarmac loop near Crickhowell, with a reverse-direction final lap to decide male and female winners.
A five lap ultramarathon around Berkeley Gloucestershire covering roughly 130 miles and 15,000 ft gain with limited entry and proceeds to local charity.
Autumn Half Marathon on way marked Forest of Dean trails with water stations, chip timing, medals for finishers and proceeds supporting local charities.
October 2027
SAS Endurance in Talybont-on-Usk on 1-2 October 2027 offers full 64 km and half 32 km navigational routes with guided and self navigation options.