Trail Running Calendar Northern Ireland 2025-2026

The Glenariffe Mountain Race 'Spud Run' is a challenging event taking place on March 8, 2025, as part of the NIMRA Championship. Participants will cover a distance of 6 miles (9.7 km) with an elevation gain of 370 meters (1200 ft). The race starts and finishes at the Glenariffe community and recreat..

The Slieve Gullion Mountain Race is a NIMRA Championship event taking place in Armagh, Northern Ireland. Scheduled for March 15, 2025, this race is categorized as a short course, covering a distance of 3.9 miles with an elevation gain of 340 meters. The route, while not marked, is relatively straigh..

The Pat Dunbar Memorial Race is a mountain running event organized by the Northern Ireland Mountain Running Association (NIMRA) in County Down. Scheduled for March 29, 2025, the race covers a distance of 13 kilometers with a total climb of 3206 meters, categorized as moderate difficulty. Participant..

The Castlewellan will take place in Castlewellan on Thursday 10 April 2025.

The Endurancelife Giant's Causeway event is a 20-mile coastal trail run set along the stunning Causeway Coast Way in Northern Ireland, featuring the iconic Giant's Causeway, a UNESCO World Heritage Site. Participants will experience breathtaking scenery, including dramatic cliffs, sandy beaches, and..

The Belfast 2 Dublin Ultra is a challenging running event that invites participants to cover a distance of 170 km from Belfast to Dublin within a 30-hour time limit. Scheduled for April 18, 2025, this ultra-marathon allows solo runners to choose between having support from the Atlas Running crew or..

The Granite Peaks Races, organized by the Irish Mountain Running Association (IMRA), feature three challenging ultra-distance events: an 80km, a 50km, and a 25km race, all taking place on May 25, 2025, at Tollymore Forest Park in County Down. Each race offers a unique and demanding course that trave..

Slieve Donard is a challenging mountain running event organized by the Irish Mountain Running Association, taking place in County Down. The race features a distance of 10 kilometers with an ascent of 850 meters, categorized as difficult terrain. Participants are required to carry mandatory safety eq..

The Norn Iron Ultra will take place in Ballintoy on Sunday 1 June 2025. You can run 26 miles.

The CS Lewis 5 Mile Challenge, previously known as the Connswater 5 Mile Challenge, is a multi-terrain race set in CS Lewis Square, Belfast. The event features an out-and-back course that includes various surfaces such as trail, grass, and concrete, with runners completing loops in Victoria Park. Th..

The Cairncastle Classic is a mountain running event organized by the Northern Ireland Mountain Running Association (NIMRA) in County Antrim. This race features a challenging course with a distance of 16.20 kilometers and an ascent of 620 meters, categorized as moderate difficulty. Participants are r..

The Mullaghcarn Giant is a mountain running event organized by the Irish Mountain Running Association, taking place in County Tyrone. The race covers a distance of 12 kilometers with a total ascent of 500 meters, leading participants to the summit of Mullaghcarn, the southernmost peak of the Sperrin..

The Hillsborough Castle & Gardens Running Festival, scheduled for July 27, 2025, offers an exciting opportunity for runners of all levels to participate in a scenic event. Participants can choose between a 10K and a half marathon, both starting within the picturesque grounds of Hillsborough Castle...

The Causeway Cost Ultra Marathon will take place in Portballintrae on Saturday 20 September 2025. You can run 42 kilometers.

SkyRun the Mournes is a premier skyrunning event in Northern Ireland, featuring three challenging races set against the stunning backdrop of the Mourne Mountains. Participants can choose from the Mourne SkyUltra (50KM), Mourne Skyline (35KM), and Mourne SkyTrail (20KM), each offering varying levels..