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.
May 2027
A Welsh trail ultra with a 100 mile route from Abergavenny and a 100 km option from Talgarth to Abergavenny on Offa's Dyke and other long-distance paths.
A trail marathon around Cardiff with about 1,300 m of climbing, mixed off-road terrain, partial self-navigation, checkpoints and support during the Radyr and Morganstown Festival.
Mountain marathon and 10 mile trail race across the Pen y Fan range at Parkwood Outdoors, Merthyr Tydfil, with marked checkpoints and variable mountain terrain.
Gwyn Matthews Rhondda Rollercoaster offers 26.5 and 16 mile routes across 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.
Inflatable obstacle-course event in Bristol on 22 May 2027 offering 2.5 km to 15 km options, music zones, hydration stations and a finisher medal.
Trail races at Margam Country Park on 23 May 2027 with 5 km, 10 km and half marathon courses, chip timing, finishers' kit and canicross options.
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
A roughly 6 kilometre mixed-surface race through Blaise Castle Estate in Bristol, held annually in early June. The event has individual and team prizes, a minimum age of 16, and facilities based around the clubhouse.
A backyard ultra at Breakheart Quarry where runners repeat a 6706 metre loop every hour until one person remains; the event includes camping, marked trails and on course support in the Cotswold countryside.
Military themed D Day series run at Parc Taf Bargoed with 5.3 km laps; choose distances up to ultra within a seven hour time limit and earn commemorative medals.
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.
A hilly trail 10k on 13 June 2027 in the Begwyn hills above Llowes near Hay-on-Wye, with free hot and cold refreshments and views toward the Brecon Beacons and Black Mountains.
A Pretty Muddy 5k at The Downs in Bristol with grass start and finish, mixed terrain and obstacles to climb, crawl and slide. Staggered wave starts apply and the event supports Cancer Research UK with a minimum fundraising target.
Inflatable 5K Cardiff on 26 June 2027 offers lap-based inflatable obstacle runs from 2.5k to 15k with music zones, medals and family and group ticket options.
July 2027
Abergavenny loop ultramarathon with 6,260 ft of ascent across trails and hills, offering full 30 mile and half route options with three checkpoints.
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.