Marathons in Ireland
28 upcoming races are listed in Ireland, including 9 marathons, 5 half marathons and 20 ultras. The next is Glen of Aherlow Trail Run on September 22, 2026.
May has the most races. Race pages link the official source where we have one. Confirm dates and prices with the organizer before you register.
28
Races listed
9
Marathons
May
Busiest month
24 Jul
Last updated
| Date | Race | City | Distances | From |
|---|---|---|---|---|
| 22 Sep 2026 22Sep 26 | Glen of Aherlow Trail Run | - | 21.1K · Aherlow 50k | - |
| 26 Sep 2026 26Sep 26 | EcoTrail Wicklow - 79K | - | 79K | - |
| 14 Oct 2026 14Oct 26 | The Wicklow Way Race | - | Ultra | - |
| 25 Oct 2026 25Oct 26 | Dublin Marathon Semper Fi & America's Fund Team | - | 42.2K | - |
| 25 Oct 2026 25Oct 26 | Irish Life Dublin Marathon | Dublin | 42.2K | €75–€100 |
| 12 Nov 2026 12Nov 26 | The Great World Race | - | 42.2K | - |
| 1 Dec 2026 01Dec 26 | Antarctic Polar Race | - | 42.2K | - |
| 28 Mar 2027 28Mar 27 | Dublin City Half Marathon | - | 21.1K | - |
| 18 Apr 2027 18Apr 27 | Connemara Marathon | - | 42.2K · 21.1K | - |
| 25 Apr 2027 25Apr 27 | Connemara International Marathon | - | 42.2K | - |
| 25 Apr 2027 25Apr 27 | Connemarathon | - | 42.2K | - |
| 27 Apr 2027 27Apr 27 | Ballyhoura Mountain Trail | - | Ultra · 42.2K · 21.1K | - |
| 1 May 2027 01May 27 | Waterville Trailrunning Festival - 86K | - | 86K | - |
| 2 May 2027 02May 27 | Great Limerick Run | - | 42.2K · 21.1K · 10K | - |
| 7 May 2027 07May 27 | MTC Pooka | - | - | - |
| 8 May 2027 08May 27 | MTC Leprechaun | - | - | - |
| 9 May 2027 09May 27 | MTC Macha | - | - | - |
| 10 May 2027 10May 27 | MTC Shamrock | - | - | - |
| 11 May 2027 11May 27 | Mtc Banshee | - | - | - |
| 12 May 2027 12May 27 | MTC Dullahan | - | - | - |
| 13 May 2027 13May 27 | Mtc Enbarr | - | - | - |
| 14 May 2027 14May 27 | MTC Ollipheist | - | - | - |
| 15 May 2027 15May 27 | MTC Gancanagh | - | - | - |
| 16 May 2027 16May 27 | MTC Abhartach | - | - | - |
Go a level deeper
Links go down the map, not sideways. Each region and city has its own page of races.
Regions
Cities
Common questions
When is the next race in Ireland?
Glen of Aherlow Trail Run on September 22, 2026. The table above lists every upcoming race in date order.
Which months are busiest in Ireland?
May (16), April (4), October (3), counting every upcoming race listed in Ireland.
Which distances can I run in Ireland?
The listed races include 9 marathons, 5 half marathons, 20 ultras and 1 10K. Many events offer more than one distance on the same day.
How do I confirm a race’s details?
Open the race page and check its provenance ledger, which shows where each fact came from. Then confirm the date, price and entry rules with the organizer before you register or book travel.
Spotted something wrong on this page?
Dates and prices move · tell us and we check the organizer’s source