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.

Take on the Yr Wyddfa Snowdon Ultra 50, a rugged 45 mile mountain ultra through iconic Snowdonia peaks including Yr Wyddfa and Tryfan. Expect big climbs, GPS tracking, strict kit rules and a limited field for a true high mountain challenge.

The Montane Dragon's Back Race will take place in Conwy from Monday 7 September 2026 to Friday 11 September 2026.

UTMB Index

A guided mountain run in Snowdonia on 12 September 2026 visiting all 15 Welsh 3,000 ft peaks across about 30 miles and 4,000 m of ascent. This non competitive challenge includes experienced guides, transport and food stations.

The Spirit of Axnfell will take place in Isle of Man on Sunday 13 September 2026. You can run 32 kilometers.

Run the scenic 13.1 mile 361° Abersoch Half Marathon on the Llyn Peninsula, finishing with a final kilometre across Abersoch Beach. Enjoy music, massages, beach bar and prizes plus medals and tech tees for all finishers.

EcoTrail Wicklow returns on 26 September 2026 for a nature rich trail running day through the Wicklow Mountains. Distances from 10K to 80K offer rugged singletrack, big views and a true outdoor challenge for all levels.

UTMB Index

The North Barrule will take place in Ramsey on Saturday 26 September 2026. You can run 5 kilometers.

October 2026

Take on the Town to Tower 10k on 3 October 2026, an all uphill 10k from Ruthin to the Jubilee Tower atop Moel Famau. Expect varied trails, steep climbs and stunning summit views in this scenic autumn challenge.

Run a scenic 32 mile loop in the Cambrian Mountains from Camp Plas on 10 October 2026 with a fully marked, well supported course. Enjoy exclusive weekend camping, BBQ, live music and lakeside activities, entries limited to 100.

Take on the scenic Twin Peaks & Ras Consti in Aberystwyth, with a testing 11.7 kilometre senior route over Pen Dinas and Constitution Hill. Starts and finishes on the promenade with great views, cafes and family friendly junior races.

Enjoy scenic autumn trails at Loggerheads Country Park with 6 km and 12 km options suitable for all abilities, including canicross. Family friendly with no time limits and early starts for quieter running.

Take on the Brenig Way 50 km trail through the Dee Valley and Clocaenog Forest, finishing on the Llyn Brenig dam. Expect technical climbs, riverside paths and full electronic timing with GPS trackers to keep you on course.

The James Coulson Laxey Fell will take place in Laxey on Saturday 24 October 2026. You can run 13 kilometers.

November 2026

Run the Anglesey Trail Half Marathon or 10 km through Newborough Forest and across Llanddwyn Island, from sandy beaches to winding woodland trails with views to Snowdonia and the Llyn Peninsula. A lively event village, great support and a b..

The Narradale Fell Race will take place in Sulby on Saturday 7 November 2026. You can run 20 kilometers.

Take on the Slate Trail Ultra in Snowdonia from 14 to 15 November 2026, with 80 km or 147 km routes that traverse dramatic coastal and mountain trails. Marked aid stations and UTMB points make this a true test of endurance.

UTMB Index
December 2026

The Snaefell and the Tholtans will take place in Snaefell on Saturday 5 December 2026. You can run 13 kilometers.

Run the Trail by Torchlight in Llangollen: an 8 km fell race over scenic starlit moor with about 244 m ascent. Bring a head torch and enjoy a lively night race open to runners aged 16 and over.