Trail Running calendar near Porthmadog 2026-2027

We have found 169 Trailruns within 80 miles of Porthmadog. See below where and when you can find the races.

A fell race at Plas Dolben near Llangynhafal covering about 8 km with 457 m of climb on a partially marked course. There is a 50 minute cut-off at the top gate, entry on the day is £5 and minimum age is over 16.

A short pairs race on Haddon Hill in Carding Mill Valley where one runner sprints to the top, tags a partner, and the partner runs back down. Entries are on the day only at £10 per pair and the minimum age is over 12.

A guided traverse of the 14 Welsh 3000 foot peaks covering about 50 km and roughly 4,000 m of ascent, offered as a continuous 20 hour challenge or over two to three days with low ratio guiding and on-route support.

An untimed inflatable obstacle course event in Knutsford, Cheshire on 18 July 2026 offering 2.5k, 5k, 10k and 15k options, finisher medals, music zones and midway water stations. Family friendly with designated spectator areas.

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.

Trail races of 10 mile and 5 mile in Aymestrey on 19 July 2026, with a climb to the Iron Age hillfort at Croft Ambrey. Routes are fully marked and marshalled with water stations, on the day entries if capacity and a juniors 2 km race.

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 guided trail run at Bwlch Penbarras on 19 July 2026 covering about 7 km. The route follows Offas Dyke past Foel Fenlli and returns around Fron Hen with views over Bryn Alyn, run at a steady pace with regrouping stops.

A three day, fully guided loop of Northern Snowdonia covering just over 100 km and 47 summits with low guide ratios, daily return to Capel Curig and on route support.

Carn Ingli Killer is a 5.54 km fell race with 315 m climb on a partially marked course requiring navigational skills and experience; registration is opposite Long Street car park and entry is £3 on the night.

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.

A multi-distance trail running event in the Brecon Beacons near Abergavenny on 25–26 July 2026, offering routes from 12 km to 110 km with marked courses, on-course support, camping and UTMB Index classifications.

The Wirral Backyard Ultra will take place in Thurstaston on Saturday 25 July 2026. You can run between 4 and 7 kilometers.

A muddy 5 km obstacle course at Sefton Park on 25 July 2026 with climbs, crawls and slides across gravel and grass. Participants must be 13 or older; adult and child entry fees apply and a minimum fundraising target is set.

Two trail runs of 5 or 13 miles that include the Pen y Fan summit in the Brecon Beacons. Entry includes a buff, chip timing and a marshalled route with specified compulsory kit for each distance.

A 6.4 km fell race at Ponderosa café near Horseshoe Pass with 289 m of climb, partially marked route, entry £5 on the day, minimum age over 16, and no toilet facilities as the café is closed.

A short, steep fell race near Middletown on 29 July 2026 covering 2.8 km with 440 m ascent. Pre entry via SI Entries costs £7 or £10 on the day; junior races are included.

August 2026

A 50 mile event on 1 August 2026 following the Cambrian Way and Heart of Wales Line with 7,100 ft of ascent, four stocked checkpoints and no formal time limits. Route files are provided via Plotaroute.

A family friendly trail event at Porth Farm on 2 August 2026 with 1 mile and 5 km races, modest entry fees, and entries available online.

A scenic five mile multi-terrain race in Moulton near Northwich on 5 August 2026, with prizes for age categories and teams. All entrants receive a pie and peas supper with meat, vegan and gluten-free options.

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