Trail Running calendar near Llanberis 2025-2026

We have found 134 Trailruns within 80 miles of Llanberis. See below where and when you can find the races.

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 Colden Winter Hill will take place in Isle of Man on Saturday 6 December 2025. You can run 5 kilometers.

Join the Bobble Wobble Run at Hardy Farm for a relaxed off road towpath run around Chorlton Water Park with flexible rock up starts. Finishers get a bobble hat and medal while the race supports Flock and Fluff charity.

Tackle the Cardington Cracker on 7 December, a classic Shropshire fell race across 14.5 km with big climbs and stunning views. Rugged trails and village camaraderie make this a memorable winter challenge but places are limited so pre entry..

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..

Tackle a 10 km trail through Tatton Park on 7 December 2025, with undulating mixed terrain and a traffic free final kilometre. Enjoy a festive vibe, a bespoke finisher medal, prizes and support for charity MOVE.

Experience a winter trail and fell race by torchlight in Llangollen this December from Dinas Bran Leisure Centre. The 8 km route includes about 244 m of ascent, a sharp climb up Velvet Hill and faster downhill sections; head torch required.

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..

Join the Santa Dash on 21 December for a festive 4 mile trail run around Horwich, Bolton, with medals for finishers and prizes for best fancy dress. Dress up, enjoy spot prizes and festive fun for all abilities.

Join the Chester Round the Walls Race on Friday 26 December at Chester Racecourse for a festive 6 km run along the riverside and around the iconic city walls. Competitive prizes and a commemorative finisher item await runners aged 16 and ov..

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.

A scenic 10 km trail at Alderley Park on 28 Dec, Alderley Winter Warmer invites you to a prediction race where you estimate your time and run without watches; the closest wins. Postrace breakfast and proceeds support Stockport Foodbank.

Catch Phoenix Running Manchester's Dragon's Eye Red at Hardy Farm on Sunday 28 December 2025. Rock up and run on a flat 3.28 mile towpath loop through Chorlton Water Park, grab a finish memento and support Pennine Pen Rescue.