Ireland
Trail Running Calendar Ireland 2026-2027
Explore the best trail runs in Ireland for 2026-2027! Our updated list features 86 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 10 km charity trail run around Avondale Forest Park in Rathdrum with run and walk options, marshals, on course water and a post race prizegiving; entry €35.
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.
Trail running event in Bray, County Wicklow on 26 September 2026 with races from 10KM to 80KM, part of the EcoTrail series and focused on sustainability.
A marked 22.50 km trail race in Lisvernane, Co. Tipperary on 26 September 2026 featuring 563 m of climb, mandatory Level B kit, three water stations and registration at Aherlow Community Center.
A three leg mountain relay across County Wicklow covering 49 km and 2,170 m ascent. The route is unmarked, GPS devices are not allowed and Level C mandatory kit must be carried.
Solo mountain running across three relay legs in County Wicklow, covering 49.0 km and 2,170 m ascent. The unmarked route forbids GPS and requires Level C mandatory kit with checkpoints and cutoffs in place.
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.
A partnered mountain race in County Tipperary covering 25.5 km with about 1800 m ascent, run on an unmarked route. Level C mandatory kit is required and teams must navigate to a sequence of control points starting and finishing at King's Yard.
Test your navigation skills in County Wicklow at the second race of the annual Nav Challenge league. Navigate an unmarked course through the Irish mountains using traditional methods without GPS assistance.
A night mountain running event in County Wicklow with fully marked long and short courses, mandatory Level B kit including a headtorch, technical terrain and variable weather. Parking and prizegiving take place at Lough Tay / Lough Dan carpark.
A coastal 10 km trail run in Howth, Dublin on 10 October 2026 with an age limit of 16 and an entry fee of €42 plus fees.
A fully waymarked 6.5 km forest course in Rochestown Woods with about 200 m of climb, technical and single-track sections. Mandatory Level B kit is required and GPS use is permitted.
Nav Challenge 3 is the fourth race of the Navigational Challenge league in County Wicklow on 11 October 2026. The route is unmarked, GPS is not allowed, and participants must carry mandatory Level B kit.
Cross-country relays and international races at Abbotstown on 18 October 2026, featuring juvenile relays and senior 8 km and 6 km championship races.
A marked night trail in Glendalough with a 10 km loop and an about 4.8 to 5.0 km short option, including 490 m ascent and sections of the Wicklow Way and St Kevin's Way. Level B mandatory kit and a suitable torch are required.
Regional Leinster athletics event in Gowran on 24 October 2026 featuring Novice, U20 and Juvenile even-age races, organised by MyRunResults Ltd.
A 5 km marked night trail in Glensheskin Woods near Kilworth, County Cork, with about 100 m of climb. GPS is not permitted and a Level B kit list is mandatory; parking is limited so organisers advise carpooling.
A night half marathon through Glensheshkin Woods near Kilworth in County Cork on 30 October 2026. The fully marked 21 km course has 475 m of climb, GPS is allowed, and Level B mandatory kit is required.
November 2026
The Glendalough Trail Run on Saturday, November 7, 2026 supports Fighting Blindness with a competitive 15 km option or a non-competitive 8.5 km walk or jog. Entry requires a minimum donation of €100.