Ireland
Trail Running Calendar Ireland 2026-2027
Explore the best trail runs in Ireland for 2026-2027! Our updated list features 70 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
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.
Trail races on Cape Clear Island offering Half Marathon and 10 km courses, island ferries, coastal views and a medal ceremony with music and a pub celebration.
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.
Trail race in County Cork on 30 August 2026 with a 10.50 km loop and a 5.00 km short course; mandatory Level B kit required and the route is fully marked.
An unmarked 18 km mountain run in County Wexford with 1055 m ascent, required Level B kit, limited parking, and mandatory peak order.
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 on Diamond Hill near Connemara with a 7.10 km main course and a 2.90 km short course, fully marked and requiring mandatory Level B kit.
A navigational mountain challenge in County Waterford on 13 September 2026 with an unmarked route, Level C mandatory kit, and entry fees of €7 or €5 for eligible ages.
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 looped backyard ultra in Glensheskin Woods with 6.7 km loops and 125 m ascent per loop, following standard hourly-lap rules and mandatory safety kit.
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 route in Glendalough with 1000 m of ascent, mandatory Level C kit and checkpoints on Camaderry, Lugduff, Mullacor and Derrybawn.
A charity trail run at Avondale Forest Park on 19 September 2026 covering 10 km, with a €35 entry that includes refreshments and a prizegiving.
A 12-hour last-person-standing obstacle endurance event at Killruddery Estate featuring repeated 5 km laps each hour and a finisher’s medal only for those still standing.