Northern Ireland
Trail Running Calendar Northern Ireland 2026-2027
Explore the best trail runs in Northern Ireland for 2026-2027! Our updated list features 24 exciting trail runs across the region. Find your next trail run in Northern Ireland below and join the trail community at these great events!
November 2026
Cross country races at Ormeau Park on 8 November 2026 with youth and senior races, team and individual prizes, entries via SiEntries.
Trail running event at Tollymore Forest Park offering 10 km, half, full and ultra distances; the 10 km supports Cancer Focus NI.
Cross country races at Six Mile Water Park in Ballyclare featuring junior and senior races across multiple distances with chip timing and age category prizes.
Trail and road 5 km and 10 km races through Gosford Forest Park with chip timing, medals, online entry and limited parking for a car entrance fee.
Hilly 11 km trail race at Donard Park in support of Mourne Mountain Rescue, organised by NIMRA with voluntary donation entry and a mandatory equipment check.
December 2026
Forest trail event at Tollymore Forest Park on 12 December 2026 offering 5K and 10K routes with Mourne Mountain views and posted race packs.
Pairs team race in Castlewellan on 28 December with a mixed terrain 8.5 miles course, online entry via SiEntries, medals for all and cash prizes for top teams.
January 2027
A technical 10 km trail race through Glenariff Forest Park with forest views, waterfalls, entry limits and prize categories, minimum age 16.
Crossan Cup and Shield XC in Mallusk on 3 January 2027 features junior and senior cross country races from 800 m to 8 km.
Cross country at Owenbeg Derry GAA on 16 January 2027, with junior and senior races from 1 km to 7 km and league points for the Athletics NI 2026/27 Cross Country League.
February 2027
A 5K and 10K winter race through Antrim Castle Gardens, with a 10K route past Shanes Castle and views of Lough Neagh, mailed race packs and chip timing.
Trail running at Ballypatrick Forest on 13 February 2027 offering Full Marathon, Half Marathon and 10 km on a mostly off road, fully marked, traffic free course.
Run Forest Run Castlewellan on 27 February 2027 features off-road 5K and 10K races in Castlewellan Forest Park with chip timing and a commemorative medal.
March 2027
Hilly ultra and marathon between Carrickfergus Castle and Belfast Castle with mixed terrain, GPX navigation, water refill stations, mandatory kit and medical cover.
April 2027
A 20 mile coastal trail run from Portrush along the Causeway Coast Way, passing the Giant's Causeway UNESCO site with cliffs, beaches and castle ruins.
Three UTMB Index mountain races in the Mourne Mountains on 16 to 17 April 2027, from 25 to 101 km with substantial ascent and open mountain routes.
Point to point 42 km mountain marathon across the Mourne Mountains summiting Slieve Donard and finishing in Donard Park on a route of mixed trails and steep climbs.
May 2027
A point-to-point roughly 106 mile ultra along Northern Ireland’s North Antrim coast, fully tracked, self-sufficient with timed cutoffs and staffed checkpoints.
June 2027
A two day community running festival in June 2027 on a 1 mile loop in Victoria Park, featuring a 24hr event, 100 mile challenge and several shorter timed races.