Trail Running calendar near Merthyr Tydfil 2026-2027

We have found 273 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

The historic Offa's Dyke 15 returns in June 2026. This UKA-licensed off-road running race offers both individual and relay entry options. Registration is in the picturesque town of Hay-on-Wye.

A multi distance trail event in the Cotswolds on 13 and 14 June 2026. Based at Cirencester, it offers loop and staged 100 km options with regular rest stops, medical support, camping and finishers awards.

UTMB Index

A community running day at Neroche Primary School on 13 June 2026 featuring chip-timed 5 km and 10 km courses, a children’s fun run, medals and prizes, with proceeds supporting the school PFA.

A multi distance off road event on 14 June 2026 around Cheddar Gorge and the Mendip Hills, with races from 1 km to marathon plus an Omnium multi event. Courses include cliff top paths, mixed terrain and multiple feed stations.

Ultra Wales 50 is a 51 mile mountain and trail race in Coed y Brenin and southern Snowdonia on 20 June 2026. The route features live GPS tracking, six staffed checkpoints with refreshments and a 20 hour cut off.

UTMB Index

Explore the Jurassic Coast World Heritage site on this multi-distance ultra event in June 2026. Choose from five courses, ranging from 33 km to 105 miles, starting at various coastal points and finishing at Exmouth Seafront. Some races offe..

A weekend at the Pinkery Centre celebrating walking and trail running across Exmoor, combining the Exmoor Perambulation and Man vs Moor with races, walks, talks and evening gatherings.

Tackle the Malvern Hills on this midsummer walking and running challenge. Choose between a 27-mile or 15-mile route, both offering significant climbs and spectacular views. A hot meal and finisher's badge await at the finish in Colwall.

Explore the historic Marches of England on the Midsummer Mortimer Trail. Choose between a 30-mile ultra or a 14-mile half marathon, both finishing at Ludlow Castle. This mixed-terrain event features hilly ridges and scenic forests.

The Lake Vyrnwy 10k is a multi-terrain trail run set in the scenic Lake Vyrnwy estate. The 2026 event takes runners on a varied route with climbs and fast downhills. Runners receive a finisher's medal, and parking is available near the star..

A trail multiterrain 10k around the Lake Vyrnwy estate in Llanwddyn on 21 June 2026, with varied surfaces, climbs and lake views. Entrants receive a finishers medal, with awards for top three men and top three women.

The Umborne Ug is a scenic 10 km multi-terrain run, with 75% of the course off-road. It starts and finishes at Umborne Village Hall in East Devon. Stay after the race for refreshments at the hall.

Join an evening run along the flat, traffic-free paths of the River Exe. This 10K event is ideal for those stepping up from a 5K or fitting a race into autumn marathon training. Your participation supports community sports and wellbeing pro..

A unique trail race on the wildlife-rich Lundy Island. The 14-mile course traverses clifftops and the island's central spine, finishing near the Marisco Tavern. Runners travel to the island on a chartered ferry from Ilfracombe.

A multi-terrain marathon, half marathon and 10K along the North Devon coast, based at Woolacombe Meadow Playing Fields on 28 June 2026. Entry fees apply and the event supports North Devon Hospice, with fundraising recommended.

July 2026

Point to point half marathon style race along canal towpaths from Wolverhampton to Brindley Place in Birmingham. The course includes a 360 metre tunnel, floating drink stations every 3 miles and chip timing.

The PIGUM is a 30-mile ultra marathon on July 4th, 2026, starting and finishing in Abergavenny. The course climbs over 5,000 feet on trails around the Sugar Loaf mountain. It features two fully stocked aid stations and has no official time..

A multi-distance running event on 4 July 2026 around the Ironbridge valley, starting and finishing at The Unicorn Inn. Options include 8 miles, 16 miles and a full marathon with finisher bling and on-site parking.

A short but steep fell race on Dartmoor, starting and finishing at Belstone Village Green. The unmarked 3.1 miles with 300 m ascent is marshalled in places; junior races precede the senior event and there is tea and cakes at the finish.

A 27-mile point-to-point ultra that starts with a near four-mile mountain trek to the source of the River Severn and follows the river to Mid Wales Arts Centre. Two checkpoints provide vegan and gluten-free food and all finishers receive a..