🇮🇪 Ireland: half marathons
25 races scheduled between October 2026 and October 2027. Cities with the most races: Cork, Dublin and Kilkenny. Every race lists dates, locations, distances and official links; the list is updated daily.
25OCT 26HALF
Tralee Half MarathonTralee · Ireland · in 5 days
14NOV 26HALF8K
Clontarf Half Marathon & 5 MileDublino · Ireland · in 25 daysMAR 27
HALF
Dublin City Half MarathonDublin · Ireland
25APR 27MARATHON63K21KRegistration open
Connemara International MarathonMaam Cross · Ireland · in 187 days · 63K · €80
02MAY 27MARATHON21K10KRegistration open
Regeneron Great Limerick RunLimerick · Ireland · in 194 days
22MAY 27MARATHON21K
Glendalough Lap of the Gap MarathonLaragh · Ireland · in 214 days
29MAY 27HALF42K10KRegistration open
Clare Burren Marathon ChallengeBallyvaughan · Ireland · in 221 days
30MAY 27MARATHON21K
Donegal Wild Atlantic Way MarathonGlencolumbkille · Ireland · in 222 days · 42K · €75
05JUN 27MARATHON21K10K5K
Tullaroan MarathonKilkenny · Ireland · in 228 days
06JUN 27MARATHON21K10KRegistration open
Analog Devices Cork City MarathonCork · Ireland · in 229 days12JUN 27
HALF10KRegistration open
Half on the HeadBallyheigue · Ireland · in 235 days · 21K · €40
12JUN 27MARATHON50K21K10KRegistration open
Portumna Forest MarathonPortumna · Ireland · in 235 days
19JUN 27MARATHON21K10KRegistration open
WLR Waterford Viking MarathonWaterford · Ireland · in 242 days
03JUL 27HALF10KRegistration open
Achill Half Marathon & 10KAchill Island · Ireland · in 256 daysJUL 27
HALF
Beast of BearaCork · Ireland
24JUL 27HALF10KRegistration open
Run Kilkee Half Marathon and 10KKilkee · Ireland · in 277 days24JUL 27
HALF10K5KRegistration open
The Brandon Bay RunCastlegregory · Ireland · in 277 days · 21K · €50
12AUG 27MARATHON21K
Quadrathon ChallengeBun an Phonail · Ireland · in 296 days · 42K · €80AUG 27
HALF
Bord na Mona Tullamore Harriers Half MarathonTullamore · IrelandAUG 27
HALF
Donegal Half MarathonDonegal · IrelandAUG 27
MARATHON63K21K
Longford MarathonLongford · Ireland
04SEPT 27MARATHON21K
Dingle MarathonDingle · Ireland · in 319 daysSEPT 27
MARATHON30K21K10K
Kilkenny Medieval MarathonKilkenny · Ireland19SEPT 27
HALFOpens 10 FEB 2027
Irish Life Dublin Half MarathonDublin · Ireland · in 334 days · €55
02OCT 27MARATHON21K10KRegistration open
Run Galway BayGalway · Ireland · in 347 days