Trail Running Calendar Northern Ireland 2025-2026

Kick off the new year with Run Forest Run at Loughgall Country Park on 10 January 2026 with 5K, 10K and junior options. Enjoy scenic forest and lakeside trails, chip timing and a finishers medal.

Join Mallusk Harriers for the Mathieson Cup and Shield XC on 11 January 2026 at Mallusk Playing Fields, Belfast. Part of the Athletics NI Cross Country League, expect classic off road terrain from flat to hilly and races from 800 m to 8K.

Join Annadale Striders for the Malcolm Cup XC at Ormeau Park, Belfast on 1 February 2026, a lively cross country meeting with races for youth and seniors up to four miles. Enjoy competitive racing, team and individual prizes, and enter via..

Join Run Forest Run at Antrim Castle Gardens on 7 February 2026 for scenic 5K and 10K routes that pass the ruins of Shanes Castle and offer views of Lough Neagh through gardens and woodland. Friendly vibe and medals for finishers.

The finale of the Run Forest Run Series takes you around Castlewellan Forest Park, starting and finishing by the lakeside castle with stunning Mourne Mountain views on an off road course. Expect a medal, chip timing and scenic trails, so br..

Run a stunning 20 mile coastal trail along the Giant's Causeway, passing dramatic cliffs, sandy beaches and ancient ruins beside a UNESCO heritage site. Expect rugged trails, big views and a memorable challenge.

The Norn Iron Ultra will take place in Ballintoy on Saturday 30 May 2026.

Run through the stunning Hillsborough Castle and Gardens on Sunday 26 July 2026 with scenic multi terrain routes past the lake, fort and forest. Choose a 10K, half marathon or charity entry with medals, pacers and a vibrant finish.

Take on the wild Mourne Mountains at SkyRun the Mournes on 10 October 2026, with three scenic yet demanding skyraces from 20km trail to 50km ultra. Entries are open for a day of rugged peaks, big views and mountain running camaraderie.