Trail Running Calendar Ireland 2026-2027

Tackle the mixed terrain of Forth Mountain on a marked 14.5 km course with 400 m of ascent, or enjoy a 5 km junior loop around the lake. Mandatory kit is required, with a scenic start at Carrigfoyle Lake.

A challenging 10km winter trail run in Sligo with 300m of climb. Mandatory safety kit is required, and registration is at the MayFly Inn before a 2km warm-up walk to the start. Part of the North West Winter League.

Explore the trails of the Cooley Peninsula with this new 10K event. The route mixes forest paths, steady climbs, and runnable sections with rewarding views. Every finisher gets a medal.

The Brockagh Burst is a 6 km mountain run in Wicklow's Brockagh Woods, part of the Winter League. Runners traverse a fully marked circular route with 200 m of ascent. Mandatory kit is required, with final carrying instructions given on race..

The Aherlow 50k winds through 50 km of forest trails in Tipperary's Glen of Aherlow. This mountain run features significant elevation gain and requires mandatory safety gear. Aid stations and post-race refreshments are provided.

Tackle the slopes of Wicklow at the Askanagap Hill mountain run. Choose between an 8.5km loop or a shorter 4.85km out-and-back course, both fully marked. Carpooling is essential due to limited parking at the scenic start line.

The Aherlow Trail 11.5k is a forest trail run in Tipperary with 352m of climb. It features a 5km junior option and requires basic mandatory kit. The event is part of the Coillte Winter/Spring Trail League.

The Wicklow Way Half is a 22 km out-and-back trail run along the Wicklow Way. With 840 meters of climb and a strict 2-hour halfway cut-off, it requires preparation and specific mandatory kit. It also acts as a trial race for an internationa..

Tackle the forest trails of Mt. Hillary in Cork, with a 10km or 5km marked course. The route features muddy paths and steep sections. Registration is at the Glen Theatre, with a short walk to the start line.

Take on the night in the Wicklow Mountains. This 7.4 km trail run ascends Maulin on a fully marked loop, finishing back at Crone car park. Head torches and mandatory safety kit are required for this evening mountain challenge.

Torc Wood in County Kerry features a challenging 8.8 km mountain run with 285m of ascent, plus a 4 km short course. The fully marked route mixes forest roads with technical single tracks. Kit requirements are strictly enforced due to the va..

The Powerscourt Ridge is a challenging 14 km mountain run in Wicklow with 850 meters of ascent. It's a trial event for the European Off-road Running Championships. Entry is limited, and carpooling is mandatory due to parking restrictions.

A challenging 50.5 km ultra marathon on the Wicklow Way with over 2000 meters of climb. The self-sufficient event requires advanced mandatory kit and enforces strict cut-offs. It also acts as a qualifier for the European Off-road Championsh..

Explore the scenic Littleton Labyrinth on a flat, fast 10-mile course starting from the Horse and Jockey Hotel. With a €1,500 prize pool and a free t-shirt for the first 200 entries, this road race offers a great challenge. The event is set..

The annual Emo Forest Run takes place on Good Friday with 5k and 10k options starting in the village. The first 350 entrants get a custom t-shirt, and numbers are collected on the day at the community centre.

Traverse 66 km and 2800 meters of climb on an unmarked mountain route in County Waterford. GPS is allowed, and strict mandatory kit checks are in place for this extreme ultra. Aid stations provide fuel, with cut offs set for safety across t..

This extreme mountain half marathon in the Knockmealdowns covers 21 km with over 1100 meters of ascent. The fully marked ridge route passes iconic summits like Knockmealdown and Knocknafallia. Runners must bring advanced mandatory kit and w..

A tough 10.7km mountain run on a new route in Wexford, featuring 550m of climb. Mandatory safety kit is required, and trail shoes are essential. The event finishes at the Gap Pub with food available.

A mountain race in Cork with two fully marked routes: a challenging 10.8 km long course and a 5 km short option. Runners must carry mandatory safety kit, with the route featuring open mountain terrain and several wire step-overs. The event..

Tackle the 337m ascent over 3km on Claragh Mountain in Cork this April. Part of the Munster Uphill League, this event requires specific mandatory kit. Registration opens in mid April.