Trail Running calendar near Llanberis 2025-2026

We have found 98 Trailruns within 80 miles of Llanberis. See below where and when you can find the races.

Join the intimate Lancashire Loop Trail Run on 23 November in Blackpool for looped trail routes from 10K to ultra. Run with just 100 entries and enjoy bespoke medals and post race goodies.

Take on the Loggerheads Half Marathon at Loggerheads Country Park, three laps of a scenic 7 km loop with varied terrain and on course support. Solo runners or teams of three can enjoy a challenging course and a finishers medal.

December 2025

The Alyn Waters Winter Trails offer 5k and 10k fully marked and marshalled trail running courses set in the scenic Alyn Waters country park. Designed for all abilities, the event encourages participants to race or enjoy a leisurely run with..

Telford T50 Trail Run is a winter 50 miles route through Ironbridge, the Wrekin and industrial heritage sites, with four checkpoints serving food and cake. Tackle rugged trails and claim the organiser's biggest ever finisher medal.

The Cardington Cracker on 7 December 2025 is a classic Shropshire fell race, 14.5 km with 793 m of ascent across moorland and steep climbs. Entry is by pre registration with just 250 places, so book early for a challenging winter trail.

Sea 2 Summit Offa's Dyke is a scenic yet tough trail race from Prestatyn along the Offa's Dyke National Trail, offering Half Marathon, Full Marathon and a 33 mile Ultra. Electronically timed with a finisher medal, it promises big views and..

The The Beacon Bash will take place in Appley Bridge on Sunday 7 December 2025. You can run 20 miles.

Join Northwich Running Club for the Marbury Festive Fun Run on 7 Dec at Marbury Country Park, a flat 3 km loop for running or walking. Fancy dress is encouraged, Santa's Helpers will cheer you in and finishers get a Christmas medal and trea..

Join round 4 of the North Staffs Cross Country League at Keele on 13 December 2025 for a classic cross country test across traditional terrain. Team and individual races across all ages make it a great day for clubs and runners of every lev..

Join the BigXmas Trail Festival at Sale Water Park for a festive day of scenic trail running through Chorlton Water Park and along the River Mersey. Pick a short trail or the marathon and finish with a medal or opt to have a tree planted.

Take on a winter multi terrain challenge through Mortimer Forest on Sunday 14 December 2025, with muddy, hilly trails and scenic views toward the Malvern Hills and Brecon Beacons. Choose about 10 miles or a 4 mile route to suit your legs.

The Moel Famau Festive 'Piece of String' Race is a unique running event held on the last Saturday before Christmas at Bwlch Penbarras. Participants can expect a surprise distance and route, ranging between 6 and 12 kilometers, which will be..

Run the Midwinter Mortimer Trail on 27 December 2025 with 15 or 30 mile routes between Ludlow and Kington in the Marches. Take in limestone tops, ridges, river valleys and ancient hill forts on this classic winter trail.

January 2026

Discover upland trails in the Elan and Claerwen Valleys at this volunteer run walking and running event, with waymarked routes of about 12 or 20 miles. Map reading is needed; entrants receive a map and GPX in advance and funds support local..

Join a guided 12 km trail run from the village of Pwll Glas exploring Eyarth Rocks and Graig Wyllt, with gentle hills and varied terrain. Enjoy planned stops, scenic views and friendly company on this relaxed outdoor adventure.

The Holly Challenge is a multi-distance race organized by How Hard Can It Be Events, held at Burroughs Bank, Lightmoor, Telford, TF4 3QS, within the Lightmoor Nature Reserve. Runners can choose 5K, 10K, half marathon, or marathon distances...

Experience the Petzl Night Runner Rivington, the final round of the series, with a close encounters UFO theme lighting up Winter Hill. Tackle rough, boggy trails by head torch and claim a glow in the dark finisher medal.

Tour De Yr Wyddfa is an epic winter loop around Yr Wyddfa, climbing 2327 m on the full 43.5 km route. Solo, pair or two leg relay entries are welcome, but runners must meet mountain experience and kit requirements for safety.

Tackle scenic trails on the Long Mynd from Carding Mill Valley with a choice of a half marathon or a two lap full marathon. Enjoy well stocked aid stations, friendly marshals and a post race cake competition for all.

The Tarrenhendre Fell Race will take place in Abergynolwyn on Saturday 31 January 2026. You can run 6 miles.