Trail Running calendar near Dundalk 2026-2027

Sea2Sky in Donard Park, Newcastle features evening 10K race and walk plus a 5K race that moves from promenade to forest and the Mourne foothills, with mixed road, trail and an open-mountain section and post-race refreshments.

Carnavaddy is a fully marked mountain running event in Ravensdale Forest with a long 10 km route and a short 5 km route, both including summit sections and woodland trails. Level B mandatory kit is required and GPS use is not permitted.

A half marathon and 10k around the grounds and nearby forest of Hillsborough Castle, supporting Action Mental Health. The event includes distance markers, chip timing, race photos and a themed medal.

A 19 mile, 8500 ft challenge walk across the highest Mourne peaks on 8 August 2026. Participants follow their own route between fixed checkpoints and require mountain navigation skills and prior experience.

Scrabo in County Down is a NIMRA short-championship mountain race organised by Ballydrain Harriers on 20 August 2026. The course is 6.30 km with 360 m climb; only major junctions are marked and GPS is not allowed.

A series of four mile events in County Kildare featuring both trail and road races, with a permit certificate 26/189 and an Athletics Ireland fundraising campaign. One event is at Donadea Forest Park and another is a 4 Mile Road Race in Cla..

A mountain fell race in the Western Mournes based at Sandy Brae on 29 August 2026. The route covers 11 km with 768 m of ascent, includes named control points and marked sections, and requires compulsory mountain safety kit.

Test your endurance and navigation in a two day self-sufficient mountain marathon for teams of two. Choose from multiple distance classes or a one day score event in the scenic Mourne Mountains.

A mountain running event in County Down on 3 October 2026 covering 11.90 km with 870 m climb, organised by Mourne Runners as part of the IMRA Ulster Championships and NIMRA League; GPS is not allowed and Level C kit is required.

SkyRun the Mournes features three demanding skyrunning races in the scenic Mourne mountains. Runners can choose from distances of 50 km, 35 km, or 20 km, each with significant elevation gain. The event is scheduled for October 10th, 2026.

A coastal trail run of 10 km around Howth in Dublin offering mixed terrain and coastal scenery. The event has an age limit of 16 and an entry fee of €42 plus fees; a bundle with the Wicklow 10 km is available.

Nav Challenge 4 in the Mourne Mountains takes place in County Dublin on Sunday 18 October 2026. The unmarked course is 99.00 km with 999 m of climb, GPS is not allowed and a Level B mandatory kit is required.

A cross country event at Ormeau Park on 8 November 2026, part of the Cross Country League, with youth and senior races from 1 to 4 miles and team and individual prizes.

A 50 km ultramarathon at Donadea Forest Park hosted by Donadea Running Club, listed to return on Saturday, February 13. Early-bird places were sold out and deferrals or refunds were allowed until December 31.

A 10K trail run on the Cooley Peninsula on Saturday 20th February, based at McCrystals Track in Jenkinstown. The route mixes runnable trail and natural terrain, climbs about 240 m and includes a finisher medal; onsite parking is available.

Norn Iron 100 is a long-distance ultra event listed on the UTMB Index with an iTRA 5 rating. It will hold its sixth edition on 29 and 30 May 2027 in Northern Ireland.

A summer running festival at Hillsborough Castle and Gardens on 25 July 2027 offering 10K and Half Marathon routes, chip timing, kilometre markers, a themed medal and free race photos in support of Northern Ireland Hospice.