Ireland
Trail Running Calendar Ireland 2026-2027
Explore the best trail runs in Ireland for 2026-2027! Our updated list features 63 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 .
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.
Annual cross country meeting in Greenanstown, Stamullen with juvenile and adult races, team scoring and chip timing.
October 2026
Women only night trail in County Wicklow on 2 October 2026. The fully marked 7.00 km route follows the Sugarloaf Way, requires a head torch and trail runners, and entry fees will be donated to Bray Women's Refuge.