Trail Running calendar near Cooley-Halbinsel 2026-2027

A continuous 170 km ultramarathon from Dublin to Belfast on 9 May 2026 with a 30 hours limit, compulsory safety kit, GPX navigation and trackers used to monitor progress and enforce three cutoffs.

Meelmore is a Hill and Dale mountain race at Meelmore Lodge featuring a 7 km course with 700 m of climb. Open to runners aged 15 and over, the route is unmarked and specific kit and number rules apply.

Trail race in Ardgillan Demesne, County Dublin with a 9.5 km main course and a 5 km junior course. The fully marked route includes rolling hills, a beach section and coastal views.

Luke's is a 7 km mountain race with 500 m of climb near Meelmore Lodge on 21 May 2026, part of the Hills and Dales series. The route is unmarked and competitors must meet age and kit requirements.

A marked 21.5 km mountain loop in County Louth with 790 m of ascent, following forest tracks, the Poc Fada route and open mountain sections. Level B mandatory kit is required and GPS is not allowed.

A 5 km community trail run and walk in the grounds of Slane Castle on May 24th, returned for its 11th year to raise funds for the local school parents association. The route follows estate and riverside trails and offers on the day t shirts..

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 running race in Donard Forest Park covering 10 km with 850 m of ascent, requiring navigation and mandatory safety kit. Checkpoints are marshalled and a cut-off at the Saddle will be enforced.

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.

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 offers 10K and 5K races on mixed road and trail terrain through forest and Mourne foothills, with chip timing, a finisher medal 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.