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The Great Limerick Run
A scenic run through the historic streets of ancient Limerick
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Dublin Mountain Backyard Ultra
Last one standing in the Dublin Mountains
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Inishbofin Half Marathon & 10K
Loops the remote island of Inishbofin, off Connemara
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Lough Key Legends Run
Winds through Lough Key Forest Park on the lakeshore
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Cheetah Run 5K & 1 Mile
Ireland's only race through a wildlife park
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Beara Way Ultra
161km along Cork's rugged Beara Peninsula
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Delphi Half Marathon
Half marathon past Irelands only fjord through wild Connemara valleys
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Fastlane Summer Edition
Three quarter marathon, half and 10k on the roads of Clondalkin
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Irish Runner 5K
Held in Dublin's historic Phoenix Park
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Estuary Half Marathon
Along the shores of the Shannon Estuary
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Lough Cutra Castle Marathon, Half Marathon & 10K
Loops the grounds of a real 19th-century castle
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Cooley Legends Half Marathon
In the footsteps of Cúchulainn on Cooley
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Sheep's Head 10 Mile Challenge
Along West Cork's Sheep's Head Peninsula cliffs
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Sliabh Liag Wild Atlantic Challenge
Trail race along Irelands dramatic Donegal cliffs and Atlantic coast
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Glendalough Lap of the Gap Marathon
Marathon through Wicklows glacial valleys past ancient Glendalough
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Tullaroan Festival of Running
The Tullaroan hills that gave me thrills
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Wexford Festival of Running
Through the grounds of Johnstown Castle estate
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Clare Burren Marathon Challenge
A trail marathon through the rugged, stunning Burren landscape
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Cork City Marathon
A fast, flat Boston-qualifying marathon through Cork City streets
Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.
Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.