Ireland
Trail Running Calendar Ireland 2026-2027
Explore the best trail runs in Ireland for 2026-2027! Our updated list features 53 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 .
February 2027
A 50 kilometre ultra marathon in County Kildare on 13 February 2027, organised by Donadea Running Club and serving as the Irish 50K Championship.
A looped, chip-timed half marathon and 10 km at Avondale Forest Park with medals for finishers and an organised fundraising page for Wicklow Hospice.
A winter trail run at Killruddery Estate featuring a 7KM obstacle loop with options for 7KM, 14KM or 21KM and an exclusive Winter Warrior finisher medal.
April 2027
A 10 km trail run in Bray, Co. Wicklow on forest tracks, part of the Gaelforce 10K Trilogy for 2027.
All-women trail event in Laragh Co Wicklow on April 17 2027 offering 56 km and 24 km routes with mixed terrain and on-route facilities.
A Backyard Ultra in Grange Village where runners complete repeated 4.167 mile laps each hour until a single finisher remains; entry is limited to 100 competitors.
A four-day orienteering event in Connemara from 30 April to 3 May 2027, featuring a sprint/urban race, middle and classic distances on Errisbeg Mountain, and the Irish Relay Championships.
May 2027
Multi day trail festival in South West Kerry featuring five races from short trail distances up to 130 km with ocean and Skelligs views.
A 38 miles point-to-point ultra from Mizen Head to Glengarriff that is Day 1 of the 14-day MizMal series, with limited places and mandatory navigation and safety kit.
A 47.3‑mile point-to-point ultra from Killarney to Ballybunion with four checkpoints, mandatory navigation kit, race tracking and a limited field of entrants.
A fully chipped trail event at Lough Key Forest Park on May 9th 2027 offering 10 km and Half Marathon routes with race packs and charity support.
A standalone 44.4-mile ultra from Limerick City Hotel to Dough, Miltown Malbay with four checkpoints, GPS tracking, mandatory kit and time cut-offs.
A 36 mile ultramarathon from Ballyvaughan to Galway on 13 May 2027, stage 7 of the 14 day MizMal® event with GPX navigation, live tracking and three supported checkpoints.
A 52.4 mile ultramarathon from Clifden to Westport with four supported checkpoints, GPX navigation, GPS tracking and a 13 hour 6 minute maximum finish time.
A 46.7 mile ultramarathon from Westport to Tobercurry on 16 May 2027, Day 10 of the 14 day MizMal series, with GPX navigation, four checkpoints and a bespoke finisher medal.
A 47-mile ultramarathon from Tobercurry to Bundoran on 17 May 2027 with four checkpoints, GPX navigation, live GPS tracking and a 4 mph minimum pace requirement.
Day 13 of MizMal on 19 May 2027, a supported 37.4 mile ultramarathon from Ballybofey to Buncrana with three checkpoints, GPS navigation and a bespoke finisher's medal.
A 50 Mile Ultra Marathon in Louisburgh, County Mayo, scheduled for 22 May 2027.
A multi-distance running event on May 29, 2027 in the Burren at Ballyvaughan, featuring marathon, half marathon and a 10 km mini marathon.