Trail Running calendar near Llanberis 2025-2026

We have found 102 Trailruns within 80 miles of Llanberis. See below where and when you can find the races.

Tackle Snowdonia's rugged Slate Trail with APEX Running in Bangor on 15 and 16 November 2025. Choose a challenging 147 km ultra or a tough 80 km option, both with scenic quarry terrain and full race support.

UTMB Index

Support Movember at Croxteth Park on 15 November 2025 with 1.5k, 5k, 10k and half marathon options on a flat path and trail course, dog and buggy friendly. Event full and entries closed on 7 November 2025.

A sharp, scenic fell race near Little Stretton featuring four steep climbs and a fast finish over about 8 km with 762 m of ascent. Expect classic winter fell conditions, mandatory WFRA kit and limited parking so car share where possible.

The Guided Trail Run in Dolwyddelan offers participants a scenic 10km route beginning in the charming village. The run features a leisurely start along the river, followed by a climb to Ty Mawr, where runners can enjoy stunning views of the..

Tackle a scenic yet testing 6 km fell course with 305 m of climb around Sunnyhurst Woods and Darwen Tower in the David Staff Memorial Race. Run in memory of a young club member, the event raises funds for Cardiac Risk in the Young and celeb..

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 Beacon Bash is a charity 20 miles trail challenge from Appley Bridge Scout Hut raising funds for local Scouts and The Brick Wigan. Tackle scenic footpaths and Parbold Hill with basic support and finishers food.

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.