Trail Running calendar near Dolgellau 2026-2027

A Category B Medium fell run of 11.6 km with 425 m ascent around Glyn Ceiriog on 26 September 2026. Entry is £6 on the day and runners should expect to carry WFRA recommended kit while refreshments and changing facilities are available.

A fully waymarked sea to summit ultramarathon from Caernarfon Castle to Rhyd Ddu, covering 29 miles with about 5600 ft of ascent. Professional mountain safety and medical teams support runners and finisher medals form part of the Sea to Sum..

Trail race at Margam Country Park offering 5 km and 10 km routes through woodland with castle views. The event features chip timing, water stations, a finisher's medal and parking included with entry.

Trail runs at Delamere Forest on 27 September 2026 offer a two-lap half marathon and a one-lap 10K over technical wooded trails, with chip timing, aid stations, canicross options, and eco-minded event measures.

Breidden Hills is an 11.5 km fell race around Criggion, Shropshire with 790 m of ascent. The course is partially marked so navigational skills and kit checks are required, entrants must be over 18 and entry is £8.

A community focused 5 mile mixed terrain race in Rimrose Valley Country Park, Waterloo, Liverpool, with a scenic traffic free course through woodland and canal paths and a themed medal for finishers.

A multi-terrain 10K through country lanes and woodlands on 27 September 2026, organised by Wye Valley Runners to raise funds for the Herefordshire Special Care Baby Unit. The race finishes at Credenhill Social and Sports Club with on-site c..

A seven hour Time Challenge at Dare Valley Country Park offering flexible lap-based distances, finisher medals and pins, aid stations with snacks and vegan options, goody bags and free parking.

A short fell race from the Storey Arms lay-by on the A470, covering about 3.2 km with 305 m of ascent; the course requires experience and navigational skills. Entry is £2 on the day and junior races are to be confirmed.

An uphill only 10 km from Ruthin to the Jubilee Tower on Moel Famau, featuring mixed terrain and a summit finish above 550 m; transport back to town can be purchased on site.

MacTuffX Brierley Hill on 4 October 2026 is a functional fitness race in Brierley Hill West Midlands featuring ten Xercises plus running across individual team and relay categories with a LITE weight option for lower loads.

A 32 mile trail through the Cambrian Mountains from Camp Plas near Dolanog, capped at 100 runners and fully marked with checkpoints and a 14 hour cut off. The weekend includes on-site camping, catering, live music and lakeside activities.

Experience a multi terrain race over Pen Dinas and Constitution Hill starting from the Aberystwyth Promenade. With distances for both seniors and juniors, runners face climbs on gravel, grass, and rocky paths with coastal views.

Canicross at Pennington Flash Country Park with forest and lakeside trails, mostly flat with some inclines. Two distance options, on-course marshals, and facilities including parking, a café, and toilets.

A ridge fell race on the Cat's Back in the Black Mountains covering about 11.7 km with 492 m of ascent. The route includes steep climbs, technical rocky sections, a trig at the summit, and a ridgeline descent back to the event field.

Trail races at Loggerheads Copuntry Park with a 6km loop, a 12km two-lap option and a 6km Canicross. Courses are marked and marshalled and entry fees range from £19 to £22.

A 7 hour Time Challenge at Dare Valley Country Park offering flexible distances from 3km up to 50km. The event includes themed medals, finishers' goody bags with a vegan option, aid stations, free parking and basic venue facilities.

An untimed 5k and 10k adventure run at Lyons Lane Motocross LTD in Shrewsbury on October 17, 2026. The course uses a MotoX track and includes brook crossings, hill climbs, a mud crawl and a water slide finish.

Cadair X is a 13.1 mile mountain half marathon with 1165 m of ascent that climbs to the 893 m summit of Cadair Idris. The marked route crosses woodland, glacial lakes and technical summit terrain and a GPX file is available.

A *50 km* trail on the marked Brenig Way from Corwen to Llyn Brenig dam, with 1450 m ascent, varied upland and forest terrain, three checkpoints, required kit and GPS trackers provided.