Ireland
Trail Running Calendar Ireland 2026-2027
Explore the best trail runs in Ireland for 2026-2027! Our updated list features 65 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
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 endurance event at Killruddery Estate where competitors repeat a 5KM obstacle lap and return to a central aid area each hour.
A multi-category cross country meeting at Galway Racecourse on 19 September 2026, part of the World Athletics Bronze Tour with juvenile, senior and relay races.
A multi-distance EcoTrail event in Bray, County Wicklow on 26 September 2026, featuring coastal and mountain trail routes and distances from 10KM to 80KM.
A 22.5 km trail half marathon in the Glen of Aherlow with 563 m ascent, fully marked route, three water stations and mandatory Level B kit.
A three leg mountain relay across Wicklow covering 49 km and 2170 m ascent on an unmarked route with mandatory advanced kit and checkpoints.
A solo, unmarked mountain run of 49 km with 2,170 m ascent in County Wicklow, classified Extreme and requiring Level C mandatory kit and navigation by map and compass.