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25Sep2026
EcoTrail Wicklow
Rolling hills and biodiversity define this Wicklow trail adventure
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14Oct2026
Wicklow Way Race
Point to point along the iconic Wicklow Way trail in Ireland
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15Jan2027
Art O’Neill Challenge
Dublin Castle to Glenmalure, a 1592 escape route
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Feb2027
Clonmel Trail Half Marathon
An IMRA trail half through the hills above Clonmel
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25Apr2027
Connemarathon
Rugged roads through the wild Connemara landscape of Ireland
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May2027
Cooley Legends Half Marathon
In the footsteps of Cúchulainn on Cooley
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May2027
Glendalough Lap of the Gap Marathon
Marathon through Wicklows glacial valleys past ancient Glendalough
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Jun2027
Dublin Mountain Championship Trail Running Festival
Trail festival testing runners across the Dublin mountains
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Jun2027
Glendalough Tucker Trail
Eighty kilometers through Wicklows ancient monastic ruins
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Jul2027
Beast of Béara
A rugged half marathon along West Cork's Beara Peninsula
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Jul2027
Brandon Ridge Half Marathon
High mountain half marathon along Brandon Ridge
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Aug2027
Run the Ridge
Climbs the Spinc high above Glendalough's Upper Lake
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Aug2027
Wicklow Way Half & Maurice Mullins Ultra
Historic Wicklow Way trail honoring an ultrarunning legend
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Sep2027
Kerry Way Ultra
An ultra through Kerrys rugged mountains, forests and coastline
More collections in Ireland
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This list is edited by RunCalendar and updated as the calendar moves. Last updated 20 September 2026.