Trail Running Calendar Ireland 2026-2027

Experience a challenging mountain run at Slievenamon in County Tipperary. Featuring various distances up to 10 km and significant climbs, this event offers a rugged trail experience through the scenic Irish landscape.

A 5 km trail race in Bweeng on 10 May 2026 that raises funds to complete a 200 m track; the event attracts runners from across Ireland and has received county and national awards.

Experience an uphill mountain run in County Waterford as part of the Munster Uphill League. This 4.5 kilometer race features over 500 meters of vertical climb across easy terrain with essential safety kit requirements.

Experience a marked mountain run through the scenic landscape of County Wicklow. Participants can take on the 9.9 km main route or a 4.8 km short course starting from Laragh.

This 4-mile race starts and finishes on the track at Templemore Athletics Club, weaving through the trails of Templemore Park in between. It's a blend of track and trail running on a single loop.

Experience an extreme 161 km mountain ultra through County Cork starting in Castletownbere. This fully marked course features 5500 meters of climbing and a 37 hour time limit for up to 100 participants.

This team relay race covers the entire 104 km Wicklow Way from Kilmashogue to Shillelagh. Teams of 2 to 8 runners tackle eight stages, with specific rules for team composition to be competitive. The event raises funds for junior internation..

A scenic 8 km mountain run in County Sligo, taking you up Union Rock for panoramic views. The route features trails, gravel paths, and a boardwalk descent. A shorter 6 km option is also available.

Experience a 70 km mountain ultra through County Cork starting and finishing in Castletownbere. This challenging route features over 2200 meters of climbing along the scenic Beara Way and Mish Kish mountain.

Experience a technical mountain run in County Galway featuring out and back routes with scenic views of the 12 Bens. Choose between the 8.3 km long course or the 3.7 km short course on rocky and grassy trails.

Experience a 23.5 km mountain run in County Cork featuring 1100 meters of climbing. This scenic route traverses the Beara Way walking trail with summits at Knockoura and Mish Kish mountains.

Experience a scenic trail run through Ardgillan Demesne featuring rolling hills and a unique beach section. Choose between the full 8.99 km course or a 5 km junior route along the Dublin coast.

A marked mountain half marathon in County Louth on 23 May 2026, covering 21.5 km with 790 m ascent. The route follows forest tracks, the Poc Fada stones and open mountain terrain; Level B mandatory kit is required and GPS is not permitted.

Test your endurance in County Donegal with a mountain run featuring 514 meters of climbing. Navigate steep summits and open terrain in this event included in the Ulster Championship and North West League.

A 50 mile run around Croagh Patrick near Louisburgh, County Mayo, with a route that includes Sheefrey Pass, Tawynard Forest and Doolough Valley. Single entry tickets are listed at €87.50 and online sales close May 10, 2026.

The Clare Burren Marathon Challenge returns for its 18th edition on 23rd May 2026. Runners can choose from full marathon, half marathon, or 10km distances through the unique rocky landscape of the Burren in County Clare. The event starts at..

Experience a challenging mountain race in County Kerry featuring a 9.6 km route with 700 meters of climbing. Runners navigate rough open mountain terrain as part of the Munster Championship league.

Experience an uphill mountain run in County Tipperary covering 4 km and 576 meters of ascent. This event features a marked course for up to 250 participants and follows strict safety equipment standards.

Challenge yourself on the technical trails of County Wicklow with a choice of distances including a 9 km circuit of the Great Sugarloaf. Experience steep climbs and scenic descents in this fully marked mountain running event.

A last person standing Backyard Ultra in Kilcornan Woods where runners complete a 6.706 km loop each hour until one remains. Head torches are mandatory and mandatory Level C kit is required; entry is limited with an entry fee of €50.