Trail Running calendar near Dundalk 2026-2027

NORN IRON 100 is a multi terrain ultra run in Northern Ireland on 30th May - 31st May 2026, listed as UTMB Index **100M / M** with an iTRA grade of 5 and organised by We Run Wild NI.

A mountain race from Newcastle Centre to Donard Park covering 10 km with 850 m of climb. The unmarked route requires navigation and mandatory safety kit; checkpoint order and cut-offs are enforced for competitor safety.

A trail race at Donard Forest Park on 4 June 2026, Millstone covers 8 km with 500 m of climb over partially marked forest paths. Entry is via SiEntries and the event is organised by Newcastle AC.

A measured 5 mile chip-timed race from CS Lewis Square that follows the Connswater Greenway into Victoria Park and back, on mixed road, trail and grass surfaces.

A 5K trail race in Phoenix Park on 9 June 2026 featuring a fast two lap grass course, BHAA prizes, and member and non-member entry fees; numbers collected at the Civil Service Clubhouse.

An 8 km mountain race with about 800 m of climb, run anti-clockwise from Ott Car Park. The unmarked route requires competitors to carry full body cover and wear race numbers on the chest.

A chip-timed 5 km run in Trim on 12 June 2026, organised by Trim Athletic Club, with a riverside route past medieval monuments. First 450 entrants receive a technical t-shirt; entrants must be 16 or older.

A 5 km mountain race with about 500 m of climb starting at Hen Car Park. The unmarked route is part of the Hills and Dales series, organised by Newcastle AC, with a 15 year minimum age and specific kit and number rules.

A two-race 4 mile series in Kildare featuring a Donadea Forest trail run on 18 June 2026 and a Clane road race on 28 August 2026. Both events welcome walkers and runners and include prizes for first men and women.

A mountain race from Flagstaff to Carlingford of about 16.7 km with roughly 1,000 m ascent. The unmarked route forbids GPS and requires mandatory Level C kit; a free coach transfer is available for the first 70 registered athletes.

A mountain point-to-point race on Sunday 21 June 2026 along the Cooley ridge to Slieve Foye, about 10.3 miles with 3,400 feet of ascent. Navigation, mandatory kit and a coach transfer for the first 70 entrants apply.

Drinnahilly is a 6 km forest race with 400 m of climb at Donard Forest Park on 25 June 2026, part of the Hill and Dale series. Entries are via SiEntries and runners must be 15 or older.

A mountain running event around Spelga reservoir on 4 July 2026 offering a **20 km** championship course and a new **11 km** league course, both requiring mandatory safety kit and navigation with physical map and compass.

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.

Seven Sevens is a mountain running event in County Down on 8 August 2026 covering 31 km with about 2800 m of ascent. Organised by BARF, the route has only major junction markings and GPS use is not allowed.

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 two-day mountain navigation and endurance event in the Mourne Mountains for teams of two, with courses of roughly 35 to 55 km and a one-day score option.

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.