Trail Running calendar near Cooley-Halbinsel 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 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.

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.