Trail Running calendar near Dundalk 2026-2027

A 60 km road and mountain challenge from Dublin Castle to Glenmalure that retraces a 1592 escape. Entry is by ballot, limited to 200 places, with a €5 nonrefundable ballot fee and a €175 entry fee that includes a t-shirt.

Take on the Howth Winter Race in County Dublin, a scenic, fully marked trail with a challenging 7.35 km main and 4.85 km short option. Part of the Winter League Leinster, expect climbs, marshals and a lively prizegiving.

Join Annadale Striders for the Malcolm Cup XC at Ormeau Park, Belfast on 1 February 2026, a lively cross country meeting with races for youth and seniors up to four miles. Enjoy competitive racing, team and individual prizes, and enter via..

Ras Na hEireann 2026 is a long standing cross country meeting in Lawlesstown, Dunleer on 8 February, featuring multiple juvenile and senior races, club team competition, and awards for top individuals and teams.

Donadea 50k is the 16th Irish National Championship ultramarathon at Donadea Forest Park, County Kildare on 14 February 2026. Hosted by Donadea Running Club, entries included standard and club member rates and late entry arrangements.

Join the final Run Forest Run Winter Series at Castlewellan Forest Park on Saturday 28 February 2026 for scenic off road 5K and 10K races around the lakeside castle. Enjoy chip timing, a finisher medal and stunning Mourne Mountain views.

A new 10K trail run on the Cooley Peninsula at McCrystals Track in Jenkinstown, featuring forest trails, steady climbs, runnable sections and 240 m of elevation. Finishers receive a unique medal and on site parking is available.

Join the Ulster Championship at Slieve Gullion, County Armagh on 7 March 2026 for a testing 6.3 km mountain run with 320 m climb, organised by NIMRA. Expect rugged terrain and mandatory Level B safety kit.

Take on the Pat Dunbar Memorial, a 13 km NIMRA challenge through the scenic Mournes in County Down. Expect moderate terrain and limited course markings for a true mountain running adventure with prizegiving at Carrick Little.

Take on a 6.6 km mountain run at Tollymore on 23 April 2026 with 350 m of ascent and only major junctions marked. GPS is not allowed and Level B safety kit is compulsory, so come prepared for classic mountain terrain.

Tackle the Annalong Horseshoe in County Down on 25 April with 21.1 km and 8.5 km options, 1700 m of climb across rugged hills. GPS devices are banned and mandatory safety kit is required, so come prepared for a classic mountain run.

Tackle Slieve Martin in County Down on Thursday 30 April 2026, a compact 7.00 km route with 550 m of climb for a steep, scenic challenge. Mandatory kit and no GPS ensure a classic fell experience, and volunteers are warmly welcome.

Tackle Binnian Uphill in County Down on 7 May 2026: a short but savage 3.7 km climb gaining 570 m of ascent. Mandatory Level B kit is required, route has limited markings and GPS devices are not permitted, so come prepared.

Rocky is a mountain run in County Down on 14 May 2026, 6 km with 450 m of climb over minimally marked terrain. GPS is not allowed and runners must carry mandatory safety kit such as a waterproof jacket, whistle and charged phone.

Enjoy rolling hills, a beach section and a Parkrun finish hill at the Ardgillan IMRA Trail League race in Ardgillan Demesne, County Dublin on Wednesday 20 May 2026. About 9 km on a marked route with a junior 5 km option.

Join Luke's in County Down on Thursday 21 May 2026 for a challenging 7.3 km course with 450 m of ascent across marked junctions. Level B kit is mandatory so bring a waterproof, hat, gloves, whistle, charged phone and a foil blanket.

The Cooley Half will take place in Cooley-Halbinsel on Saturday 23 May 2026. You can run 22 kilometers.

Tackle the classic Slieve Donard ascent in the Mourne Mountains on 30 May 2026, a challenging 10 km race with 850 m of climb and spectacular summit views. Part of the Irish Championship and Irish Uphill League, it also serves as the Snowdon..

Tackle the Millstone in County Down on Thursday 4 June 2026, a short but steep 7.7 km course with 470 m of climb offering thrilling fell running and great views. Mandatory Level B kit is required and GPS use is not allowed.

Tackle the Loughshannagh Horseshoe in County Down on Thursday 11 June 2026, a challenging 6.90 km mountain loop with 560 m of ascent and superb upland views. Mandatory mountain kit is required, so come prepared for rough terrain and changea..