Ireland
Trail Running Calendar Ireland 2026-2027
Explore the best trail runs in Ireland for 2026-2027! Our updated list features 69 exciting trail runs across the country. Find your next trail run in Ireland below and join the trail community at these great events! Search for a location or view races near , , , , or .
August 2026
Mountain running meeting in Belmont Demesne with long (8.2 km), short (4.25 km) and 1 km fun options, mandatory Level B kit and post-race prizegiving and BBQ.
A four-night trail series in Longford starting with the Royal Canal 5 km on August 5, with options for full-series entry including a medal and t-shirt or single-night entry.
A beach race day in Portmarnock featuring a Kids Colour-Dash, a Juvenile 2 km and a Senior 5K with entry fees, race numbers, bag drop and post-race photos.
A 2026 series of 4 mile races in Co. Kildare with events at Donadea Forest Park and Clane, noting a combined entry option and permit cert. no 26/189.
A 127 km ultra across the Wicklow Way with 3665 m climb, 21 hour limit, mandatory Level C kit, entry fee €80 and pre-approval required.
Classic Distance for the Irish Orienteering Championships takes place on Rosskerrig, Sheep's Head Peninsula, with remapped terrain and entries managed via the Fabian4 system.
A marked trail event in Glenanaar Forest, County Cork on 30 August 2026 offering a 10.50 km loop with 265 m climb and a 5.00 km short course. Level B mandatory kit is required and GPS use is permitted.
A 14.30 km mountain running event in County Wexford with about 1000 m of climb. The unmarked route visits Slievebawn, Carrigoulahan and Blackstairs Mountain and requires Level B mandatory kit.
September 2026
A 200 km ultra around the Iveragh Peninsula from Killarney Racecourse with limited entries, mandatory safety gear, tracker use and organised crew stops along the Kerry Way.
A family 7KM obstacle course at Killruddery Estate on 5 Sept 2026 with 80 plus obstacles, water features and an eight lane Land Slide for children aged 10 plus with an adult.
A 13.7 km mountain race in County Kerry with 1,126 m ascent, unmarked route, GPS not allowed, and mandatory Level C kit; part of Munster and Irish championships.
A beach and dune running event in Bundoran on 12 September 2026 offering 5K walk, 5K run and a 10K dune challenge, with chip timing and mailed race packs.
A marked mountain trail event at Crotty's Lake, Comeragh Mountain, with a 7 km course and a 5 km short/junior route; jackets are mandatory and GPS is not allowed.
Mountain running in County Galway with a fully marked 7.1 km route and a 2.9 km short course, mandatory Level B kit and limited entries.
Unmarked mountain navigation event in County Waterford on 13 September 2026 with Level C mandatory kit; entries open 7 Sep and close 12 Sep.
Trail Criú's Fauna Trail Running Festival offers 5-mile, 10-mile and half marathon routes through Fauna Forest in Donard with marked courses, aid stations and post-race refreshments.
A backyard ultra in County Cork with 6.7 km forest loops, hourly starts and Level C mandatory kit; field limited to 100 entries.
A mountain running event along the Seven Sisters ridge in the Derryveagh Mountains offering 55 km, 30 km and 16 km routes with technical terrain and UTMB Index status.
A 16.4 km unmarked mountain run in Glendalough with 1000 m ascent, four sequential checkpoints, mandatory Level C kit, and route choice between checkpoints.