Trail Running calendar near Porthmadog 2026-2027

We have found 185 Trailruns within 80 miles of Porthmadog. See below where and when you can find the races.

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.

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.

A looped 8 hour ultramarathon at Delamere Forest where runners complete as many about 6 km laps as they can. The mixed gravel and trail course uses a single lap line with aid station, lap timing and a finishing medal.

Discover Warrington's historic transport networks on this circular half marathon. Enjoy a marshalled trail route along canals and rivers with chip timing and a finishers medal included.

Experience a fast and flat out and back race along a historic railway path. Enjoy scenic views of the Dee Estuary and Wales while completing this chip timed event on the Wirral Way gravel trails.

A memorial road and off road event organised by Green Events featuring a half marathon and a 12k in mountainous scenery. The race is cupless, open to those over 16, and lists online and on the day entry options.

Snowdon, Cadair Idris and Pen y Fan are linked in a 17 mile route with 2,334 m of ascent, usually completed in about 19 hours. Guided options include mountain leaders, transport between peaks and on-route support.

A guided 13 km loop around Llyn Trawsfynydd in Southern Snowdonia on runnable trails, led at a steady pace with regular regrouping stops; organised by OutFit with standard and member entry options.

A series of mountain trail races across the Black Mountains and Brecon Beacons offering four distances from 21 miles to 100 miles. Routes combine marked sections, GPS navigation and staffed checkpoints with mountain safety cover.

A 32 km, 1800 m ascent mountain event at Pen y Fan featuring three separate ascents via six different paths, with Classic and 16 kg weighted categories. Navigation is required and control marshals monitor checkpoints.

A night trail run at Delamere Forest with a Spooky Halloween fancy dress theme. Runners choose a 10k or a half marathon, must use a head torch, and should wear grippy trail shoes.

November 2026

Trail races of a half marathon and a 10K through Newborough Forest and Llanddwyn Beach on 1 November 2026. Courses are waymarked with marshals, an event village and a finisher memento.

A trail running event on 1 November 2026 at Sankey Visitors Centre in St Helens with 250 places, a minimum age of 15, and entries processed via SiEntries. Parking is very limited so car sharing is recommended.

Eight-day race series in Telford offering 8 miles, 16 miles or a 26.2 mile marathon each day. Each day is a separate race with its own medal and Race HQ at The Unicorn Inn in Little Dawley.

An inclusive canicross event at Mere Sands Wood on 1 November 2026 offering a timed one mile run and an optional 2.5 km social run around the reserve.

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