Trail Running calendar near Hafren Forest 2025-2026

We have found 224 Trailruns within 80 miles of Hafren Forest. See below where and when you can find the races.

SkyRun Eryri in Snowdonia offers mountain trail races from short climbs to ultra distances across dramatic ridges and peaks. Expect big elevation, technical rocky and grassy terrain with stunning views of the Welsh 3000s.

Event overview Moel Famau 24 is a multi-hour hill and trail event on the Clwydian Hill of Moel Famau. Competitors use a loop on mountain slopes based at Plas Dolben Farm. The course is a loop of about 7.5 km with about 500 m of ascent per l..

Beast of Llangattock : event details The Beast of Llangattock is a trail running event on Saturday 22 August 2026 at Park Farm, Llangattock, Crickhowell, Powys. The event offers four distances, all on marked courses with GPX files available..

Black Cattle Ultra Gwartheg Duon is a South Wales ultra organized by Ridge Runners, offering two distances: 44 miles and 33 miles. Runners start from Llanthony Priory in the Black Mountains or from Abergavenny, following the Cambrian Way to..

Leeds & Liverpool Canal 130 Mile Race (LLCR) 2026 The LLCR is a non-stop canal towpath race from Old Hall Street, Liverpool to Office Lock, Leeds. The event covers 130 miles along the Leeds & Liverpool Canal and is organised by Cana..

Plum 10K The Plum 10K is a recurring race organised by Pershore Plum Plodders. The club publishes race results for multiple years, including 2015, 2016, 2017, 2018, 2019, 2021, 2022, 2023, 2024 and 2025. The next planned event is listed for..

September 2026

The Ring O' Fire will take place in Holyhead from Friday 4 September 2026 to Sunday 6 September 2026.

The RIDUM is a 30-mile ultra marathon held in South East Wales, following the Rhymney Valley Ridgeway Walk. This challenging trail run features 4,252 feet of elevation, taking participants across ridge tops around the Caerphilly basin with..

Event The Joust Races 2026 is a 24-hour multi-lap running event held on Saturday 5 September 2026. The format uses a looped course with each lap approximately 5.56 miles. The course is described as well marked and marshalled, easily navigab..

The Battle of the Borders will take place in Church Stretton on Saturday 5 September 2026. You can run between 13 and 26 miles.

Challenge yourself to the 102 mile Yr Wyddfa Snowdon Ultra across Snowdonia Eryri, a self navigation mountain odyssey with live GPS tracking and a 42 hour cutoff. Limited to 250 places.

Take on the Yr Wyddfa Snowdon Ultra 50, a rugged 45 mile mountain ultramarathon across epic Snowdonia scenery to the Snowdon summit. Based in Betws y Coed on 5 September 2026, the race offers live tracking, checkpoint support and finisher m..

Overview The Dragon’s Back Race is a multi-stage ultra running event across Wales. The full route runs from Conwy Castle to Cardiff Castle and is held each September. Key metrics for the full course include: 380 km 6 days 16,400 m ascent..

UTMB Index

Join a guided, non competitive mountain run across the 15 Welsh 3000s in Snowdonia, a rugged 30 mile traverse with 4,000 m of ascent including Crib Goch. Expert guides, transport and support are included for experienced runners.

Brutal Extreme Triathlons presents multiple intense triathlon races over four days in stunning Llanberis. Test your endurance amid dramatic Welsh mountain scenery in mid September 2026 with fellow athletes who crave a true challenge.

Test your grit in the Black Mountains at Trails & Tarmac Backyard Ultra in Crickhowell on 19 Sep 2026, running hourly 4.2 mile loops over trail and tarmac. Last runner to complete a loop wins, with medics, toilets and showers on site.

The Abersoch Half Marathon will take place in Abersoch on Saturday 19 September 2026. You can run 13 miles.

Join Lone Wolf Birmingham at Wyre Forest for an hourly 6.8 km loop where you must finish each lap to keep going and battle for a final sprint on lap 24. Pick 10k, half marathon, marathon or ultra and enjoy trails and the on site cafe.

The RTT Margam 10k will take place in Port Talbot on Sunday 27 September 2026. You can run between 5 and 10 kilometers.

October 2026

Event overview The Cannock Chase Running Festival is scheduled for Sunday, 11 October 2026 at Concert Field, Birches Valley, Cannock Chase Forest, Rugeley, WS15 2UQ. The event offers multiple distances on forest terrain and includes a separ..