Trail half marathons in Ireland
Find trail half marathons in Ireland. Compare 2 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include World Half Marathon Festival and Lough Cutra Castle Running Races.
Narrow your search to County Monaghan, County Wicklow and Galway, or browse the other locations below.
4 listed events · 2 with upcoming dates
Upcoming half marathons
2 matching events, earliest date first. Entry availability is shown separately.
World Half Marathon Festival
IRLDonadea, Kildare
World Half Marathon Festival — Half, Marathon.
· Half marathon
Race details, entry and past editions →Entry information ↗Lough Cutra Castle Running Races
IRLGort, Galway
Lough Cutra Castle Running Races — 10K, Half, Marathon.
· Half marathon
Race details, entry and past editions →Entry information ↗Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
Fauna Trail Running Festival 2026
IRLDonard, County Wicklow
Fauna Trail Running Festival 2026 — an officially published half-marathon fixture at West Wicklow mountains.
Next date not listed
Race guide and recorded editions →Monaghan Phoenix Marathon Festival 2026
IRLMonaghan, County Monaghan
Monaghan Phoenix Marathon Festival 2026 — an officially published half-marathon fixture at Rossmore Forest Park.
Next date not listed
Race guide and recorded editions →Browse states, counties and areas
Choosing a race in Ireland
The unfiltered upcoming calendar includes events in Donadea (1), Gort (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about half marathons in Ireland
Which trail half marathons are coming up in Ireland?
World Half Marathon Festival is listed for 9 January 2027. Lough Cutra Castle Running Races is listed for 30 May 2027. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for Ireland?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.