Trail Running calendar near Hafren Forest 2026-2027

A 12 hour night trail event at Bridgend Miniature Railway where runners complete as many 10 mile loops as they can across two to three route options, with marked routes, Base Camp support and a 30 runner limit.

A 5k obstacle event at Worcester Racecourse featuring muddy climb, crawl and slide elements across grass and pavement. Wave starts manage numbers, the event is for ages 13 and over and basic onsite facilities include refreshments and toilet..

A mountain running event on 18 July 2026 covering 15.35 km with 994 m ascent. Entrants must be 18 or older and have mountain running experience.

Multi-distance runs along the Wye Valley Greenway, including a long lit tunnel section. Mostly flat routes on former railway track with feed stations, clear marking and event medals for 5 km or longer.

Two trail races in Aymestrey, Herefordshire, both climbing to the Iron Age hillfort at Croft Ambrey. Routes are fully marked with water stations and a separate juniors 2 km race with medals.

A Trail 10k at Llys y Fran Lake with varied terrain, lakeside and woodland sections, chip timing and a finisher's medal. The race is the second event in the 2026 RTT Series and includes marked routes and water stations.

A new 10 km trail from Ross on Wye along the River Wye with off road terrain and riverside wildlife. Entry is £14.99 via PayPal, minimum age 15, and all finishers receive a bespoke medal.

A professionally guided, fully supported three day loop in Northern Snowdonia visiting 47 summits over just over 100 km with about 9,000 m of ascent. Small groups return each day to Capel Curig with a support vehicle and 1:6 guiding ratio.

A short fell race of 5.54 km with 315 m of ascent, run on a partially marked route that requires navigational skill and prior fell-running experience. Entry on the night costs £3 and the event is insured by the WFRA.

A 100 km, 3,178 m ascent ultramarathon on 25 July 2026 following the Beacons Way across the Brecon Beacons. Entry is by application with strict qualifying criteria, mandatory map and compass navigation, six manned checkpoints and compulsory..

A 100 mile self-navigation ultramarathon across the Brecon Beacons on 25 July 2026 with 6143 m ascent, ten checkpoints and live GPS tracking. Entrants must be 20+, have prior 50 mile race experience and competent map and compass skills.

A multi-distance run along a disused railway between Ironbridge and Bridgnorth, offering distances from 9 miles to 37 miles with 9.4 mile laps and aid stations every 4.7 miles.

Multi-distance trail running in the Brecon Beacons near Abergavenny on 25 to 26 July 2026, with routes from 12 km to 110 km and UTMB Index race status for key categories.

A Britney themed 7 hour Time Challenge at Dare Valley Country Park offering distances from 3 km up to ultra and 50 km. Aid tables, medals and goody bags are provided, with free parking, toilets and a cafe on site.

MacTuffX Birmingham on 25 July 2026 pairs ten functional fitness Xercises with repeated running segments across two distances, with Solo, Doubles and five person Relay options and a LITE weight division.

An endurance format event on 25 July 2026 at The Sidings, Wirral Country Park. Runners complete a 4.167 mile loop each hour until only one remains; the event is sold out with a waiting list.

A 5 km Pretty Muddy obstacle course through Sefton Park featuring climbing, crawling and sliding across gravel and grass. The route has mild undulations, uses wave starts every 15 minutes, and is for participants aged 13 and over.

A 9.3 km fell race near Cwm, Ebbw Vale with 549 m of climb on moorland and a partly waymarked anticlockwise loop. Basic navigation and mountain skills are useful; the event is part of the South Wales Series.

Two trail races across Pen Y Fan on 26 July 2026, offering 5 or 13 mile routes with chip timing, a medal and compulsory safety kit. Registration runs from 27 July 2025 to 20 July 2026.

A Pretty Muddy 5k obstacle event at Central Forest Park, Stoke On Trent on 26 July 2026, with a mixed grass, woodland and tarmac course. Entry fees vary by age and a minimum fundraising target applies.