Machen
Trail Running Calendar near Machen 2026-2027
Explore the top trail runs near Machen for 2026-2027! We've gathered 105 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
March 2027
A 7 hour Time Challenge at Dare Valley Country Park offering distances from 3 km to 50 km, themed medals, goody bags and aid stations.
Annual March challenge walk around Abergavenny with four route options from about 10 to 20 miles, mountain checkpoints and charity fundraising.
Measured forest trail half marathon in the Forest of Dean with chip and gun timing, three water stations, age group prizes and proceeds donated to charity.
April 2027
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 15 mile off road fell race across the Mendip Hills starting and finishing in Cheddar, with over 2,000 ft of climbing and proceeds supporting local charities.
A 200 mile point to point trail race across South Wales from Chepstow to Worm's Head with 30,000 ft climbing, eight aid stations and a 120 hour finish limit.
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.
Marked trail event in the Brecon Beacons offering 10, 20 and 40 mile routes with marshalled checkpoints, GPX routes and a mandatory kit list.
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.
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 hilly, technical Backyard Ultra at Blaise Castle Estate, Bristol, using hourly 4.167 mile laps; the 2027 event is sold out and the waiting list is closed.
A Welsh trail event with 100 mile and 100 km routes along Offa's Dyke Cambrian Way and Beacons Way, supported by aid stations and volunteer crews.
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.
Looped mountain trail in the Brecon Beacons on 15 May 2027 offering a Marathon and a 10 Mile route across Pen y Fan, Fan y Big and Tor y Foel.
Two waymarked routes from Trehafod Community Village Hall through 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.
An inflatable obstacle run at North Somerset Showground with 2.5 km laps, multiple distances, music zones, on-course water and a finisher's medal for every participant.