Trail Running Calendar Ireland 2026-2027

Join the Union Wood race in County Sligo, a scenic 6 or 8 km trail through gravel paths, single track and a panoramic climb to Union Rock. Enjoy winter league competition, fresh air and a friendly finish with prizes and refreshments.

Take on the Sugarloaf Winter Fell Race from Kilmacanogue GAA in County Wicklow, an 8.60 km route with 417 m of climb and great views over Bray. A 4.00 km junior course is available and winter fell rules and kit apply.

Explore Bansha Woods on Sunday 25 January 2026 as part of the Coillte Winter Spring Trail League, with a scenic 9.5 km course or a shorter 3.8 km option. Expect moderate terrain and a mandatory rainproof jacket, and note parking is limited.

Take on the Howth Winter Race in County Dublin, a scenic, fully marked trail with a challenging 7.35 km main and 4.85 km short option. Part of the Winter League Leinster, expect climbs, marshals and a lively prizegiving.

Explore muddy, flowing trails at Curragh Woods, County Cork on Sunday 1 February 2026, with 4 km and 8 km options and a tough climb on the long course. Part of the Coillte Winter and Spring Trail League, GPS allowed and volunteers welcome.

The Slí Chorcaí Half will take place in Cork on Saturday 7 February 2026. You can run 24 kilometers.

Take on Slí Chorcaí Ultra in County Cork on 7 Feb 2026, a 60.5 km route with 1,850 m climb and Extreme difficulty. Fully marked and part of the Irish Ultra Championships, it finishes at Top of the Rock campsite with hot food and showers.

Lough Talt hosts the North West Winter League on Saturday 7 February 2026 with 9 km and 4.5 km easy trail courses. GPS is banned and Level B mandatory kit is required while parking and prizegiving are at Joe Dan's.

Ras Na hEireann 2026 is a long standing cross country meeting in Lawlesstown, Dunleer on 8 February, featuring multiple juvenile and senior races, club team competition, and awards for top individuals and teams.

Take on the Carrick Winter race in Glenealy, Co Wicklow with a new 9.00 km winter route and a 4.80 km option for juniors. Tackle scenic, testing terrain then celebrate at The Hurlers for prizegiving.

A national championship 50 km ultramarathon in Donadea Forest Park, County Kildare, organised by Donadea Running Club and scheduled for 14 February 2026. Late entries use offsite parking with a shuttle to the race.

Tackle the rolling singletrack of Rahan Woods with Mallow AC in this Munster league trail race offering 9.20 km and 4.00 km options and a 250 m climb. Expect rough, scenic trails, mandatory kit checks, and a lively community atmosphere.

The Clonmel Trail HM will take place in Clonmel on Saturday 21 February 2026. You can run 22 kilometers.

Challenge yourself on Forth Mountain in County Wexford on Saturday 21 February 2026 with a technical 10 km senior race and a shorter junior option. Expect varied, rocky trails and a steep finish on marked routes with mandatory safety kit.

Join Carrowkeel Winter in County Sligo for a challenging 10 km winter trail with about 300 m of climb as part of the North West Winter League. Expect rugged scenery, a friendly crowd and marked routes, and come prepared with Level B kit.

A new 10K trail run on the Cooley Peninsula at McCrystals Track in Jenkinstown, featuring forest trails, steady climbs, runnable sections and 240 m of elevation. Finishers receive a unique medal and on site parking is available.

Brockagh Burst on 1 March 2026 is an IMRA mountain run on a fully marked circular route to Brockagh East Top in scenic Wicklow. About 6 km with 200 m of climb, this Winter League run offers a punchy, fun mountain challenge with mandatory ki..

Aherlow 50k on Saturday 7 March 2026 in County Tipperary is a 50 km Munster Ultra League test over winding forest and fire roads with about 1200 m of climb. Technical terrain and big views promise a tough but rewarding day.

Challenge yourself on Askanagap Hill in County Wicklow on 7 March 2026, part of the South East and Leinster Winter Leagues. Pick the 8.5 km summit loop or a shorter out and back and be ready with mandatory kit.

Aherlow Trail 11.5k in County Tipperary on Saturday 7 March 2026 is a steep, scenic challenge in the Coillte Winter Spring Trail League. Limited route marking and mandatory safety kit mean runners should come prepared for a tough trail.