Trail Running calendar near Holyhead 2025-2026

We have found 79 Trailruns within 80 miles of Holyhead. See below where and when you can find the races.

Run Moel Famau's festive Piece of String at Bwlch Penbarras on 20 Dec 2025, a surprise 6 to 12 km trail where the exact route is only revealed near the end. Finishers enjoy a mince pie and festive medal and a canicross race runs before the..

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..

Join the Pier Gates Remembrance Race in County Wicklow on 27 December, a friendly memorial hill run with adult and junior routes. Fancy dress is encouraged for a short social trail challenge remembering IMRA members.

January 2026

The St Johns Fell Race will take place in Saint John's on Thursday 1 January 2026. You can run 5 kilometers.

The Ardwhallan will take place in West Baldwin Reservoir on Saturday 10 January 2026. You can run 12 kilometers.

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.

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.

Take on the Ras Tarrenhendre Fell Race in Abergynolwyn, Wales on 31 January 2026, a rugged 6 mile course climbing to Tarrenhendre summit with 2000 ft of ascent. Enjoy tough trails, dramatic views and homemade soup back at HQ.

February 2026

The The Big Victory will take place in Snaefell on Sunday 8 February 2026. You can run 23 kilometers.

Tackle the Chester Ultra 50 mile trail around Chester, linking the Sandstone Trail, Delamere Forest and Helsby Hill within a 17 hour cut off. The 2026 event is sold out and mandatory kit plus a GPS tracker are required.

UTMB Index

Castle 2 Castle Ultra is a sold out 32 miles run from Powis Estate in Welshpool to Caffi Wylfa in Chirk, blending fast flat paths, rolling footpaths and open views. Prizes await top finishers and everyone gets a finisher plate and goodies.

The Carraghan will take place in Braddan on Saturday 28 February 2026.

March 2026

Hit the trails at Loggerheads Country Park with 5 km, 10 km and Canicross routes over riverside paths, rocky sections and a set of steps to conquer. Organised event with on site facilities and great reviews.

Tackle a scenic but testing 6.8 km fell course around Dolgarrog with 417 m of climb, hosted at Canolfan Porthlwyd. Entry on the day; minimum age 16 makes it perfect for adventurous runners.

Join the Granny's Bay Challenge, a 6 hour timed run along the flat Ribble estuary path in Lytham St Annes, limited to 100 entrants. Enjoy coastal views from the Fylde Spitfire Memorial start and earn a medal after just one lap.

Join the Nant Yr Arian Silver Trail Races on 14 March 2026 in the scenic Cambrian Mountains, featuring a trail Half Marathon, 10 km and fun youth races for all ages. Organized by Aberystwyth Athletic Club, the community event supports local..

Canicross on Saturday and trail races on Sunday at the private Brynkinalt Estate in Chirk, with scenic approx 5k and 10k routes over footpaths, grass and climbs. Festival vibes, photos and results add to the experience.

Take on the Black Mountains at the Beast of the Blacks on 14 March 2026, choosing 17 km, 32.5 km or 65 km routes. Fully marked trails, stocked checkpoints, camping and canicross friendly support make it a must for trail runners.

The Mount Karrin will take place in Sulby on Sunday 15 March 2026. You can run 9 miles.

Ras yr Aran on 28 March 2026 starts from Llanuwchllyn village hall near Bala and offers a testing 10 mile senior race with about 945 m of ascent across classic North Wales terrain. Teams and juniors welcome with limited entries.