Trail Running Calendar Ireland 2026-2027

Experience mountain running at its purest in the wild Derryveagh Mountains of Donegal. This premier event features technical ridges and steep climbs across three distances including two UTMB Index races.

This 16.4 km mountain run takes you on a tough circuit over four peaks near Glendalough. Runners must carry full safety gear and navigate an unmarked route. With an entry limit of 50, it's part of the Leinster Championship.

Trail running event from Bray Seafront into the Wicklow Mountains offering distances from 10 km to 80 km across coastal, forest and mountain terrain. Races use marked and marshalled routes with finish-line mementos and refreshments.

A 22.5 km trail half-marathon in the Glen of Aherlow with 563 m of climb, fully marked routes and GPS permitted. Registration and prizegiving are at Aherlow Community Center and Level B mandatory kit must be carried.

Tackle a tough three leg mountain relay across County Wicklow's highest peaks, covering 54 km with 2170 m of ascent. Unmarked route and mandatory Level C kit make this a true test of navigation and endurance.

Tackle the Stone Cross to Lug, a remote 54 km mountain route in County Wicklow with 2170 m of ascent. Unmarked and GPS free, this extreme challenge demands navigation skills and mandatory safety kit for a true wild running test.

A women-only introductory night trail run on the Sugarloaf Way in Wicklow. This 7 km event requires a head torch and trail shoes, with all entry fees supporting Bray Women's Refuge. A sweeper ensures it's accessible for various paces.

A partner mountain race in County Tipperary on 3 October 2026, covering 25.5 km with 1,800 m ascent. The route is unmarked, GPS is allowed, and Level C mandatory kit is required for solo teams.

Experience a night run through the hills of Wicklow with 5 km and 11 km routes featuring technical trails and forest boardwalks. Use a headtorch to navigate the terrain and enjoy post race refreshments in the mountain air.

A marked trail race in Rochestown Woods near Cork with a long course of 6.50 km and about 200 m of climb. The route includes technical and single-track sections and requires Level B mandatory kit.

Night Challenge 4 in Glendalough is a marked night mountain race in County Wicklow with a 10 km long course and an about 5 km short course. Mandatory Level B kit is required and GPS use is not allowed.

Experience a 5 km night run through the forest trails of Glensheskin Woods in County Cork. This event features a marked course with 100 meters of climbing and requires standard mountain safety kit for all participants.

Experience a holiday trail run through Glensheshkin Woods in County Cork. This marked 21 km course features 475 meters of climbing and is a featured event in the Munster Half Marathon League.

Experience the beauty of Glendalough with a 15km competitive run or an 8.5km walk. Join this meaningful event to support groundbreaking research into degenerative eye disease through physical activity.

IMRA AGM 2026 Race takes place in County Wicklow on 21 November 2026. The listed course is 99.00 km with 999 m climb, only major junctions are marked, GPS is not allowed, and Level B mandatory kit is required.

The Pier Gates Remembrance Race in Wicklow honors the memory of IMRA members. It features a main 8.5 km route, a shorter option, and a junior race. Fancy dress is encouraged for this celebratory event.

The 17th Donadea 50k ultra marathon returns, hosted by the Donadea Running Club in Kildare. The event has a specific deferral and refund policy valid until the end of the year.

The MTC Pooka is a 38-mile ultramarathon from Mizen Road to Glengarriff, following Ireland's MizMal route. It is also the first day of the two-week Mount to Coast End to End Challenge. The race has strict pace requirements and offers a besp..

A 47.3 miles point to point ultra from Killarney to Ballybunion, held as Day 3 of the 14 day MizMal Ireland series. Entry is limited and the race uses preset cutoffs based on a minimum 4 mph average; finishers receive a bespoke medal.

A 44 mile single-day ultra that forms Day 5 of the MTC MizMal® end-to-end series, starting in Limerick and finishing in Miltown Malbay, County Clare. Entrants receive mapping, a tracking device and a finisher medal.