Half marathons in County Antrim, Northern Ireland
Find half marathons in County Antrim, Northern Ireland. Compare 1 upcoming event by date and location. Open a race guide for the course, recorded editions and official entry information where available.
One event to explore is Shane's Castle Running Festival 2026.
8 listed events · 1 with upcoming dates
Upcoming half marathons
1 matching event, earliest date first. Entry availability is shown separately.
Shane's Castle Running Festival 2026
NIRAntrim, County Antrim
Shane's Castle Running Festival 2026 — an officially published half-marathon fixture at Shane's Castle Estate.
· 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.
Antrim Coast Half Marathon
NIRLarne, County Antrim
Antrim Coast Half Marathon — Larne and the Antrim Coast, Northern Ireland.
Next date not listed
Race guide and recorded editions →Antrim Coast Half Marathon
NIRLarne, County Antrim
Antrim Coast Half Marathon
Next date not listed
Race guide and recorded editions →Antrim Coast Half Marathon
NIRLarne, County Antrim
Antrim Coast Half Marathon
Next date not listed
Race guide and recorded editions →Belfast City Half Marathon
NIRBelfast, County Antrim
Phoenix Energy Belfast City Half Marathon — Ormeau Park, Belfast.
Next date not listed
Race guide and recorded editions →Condor Executive Antrim Coast Half Marathon
NIRLarne, County Antrim
Condor Executive Antrim Coast Half Marathon
Next date not listed
Race guide and recorded editions →Giant's Causeway Coast Marathon 2026
NIRPortballintrae, County Antrim
Giant's Causeway Coast Marathon 2026 — an officially published half-marathon fixture at Causeway Coast.
Next date not listed
Race guide and recorded editions →Questions about half marathons in County Antrim
Which half marathons are coming up in County Antrim, Northern Ireland?
Shane's Castle Running Festival 2026 is listed for 25 October 2026. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for County Antrim, Northern 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.