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Half marathons in Ireland

Find half marathons in Ireland in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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  • Sat 23 May
  • €58
Glendalough, Ireland

Glendalough Lap of the Gap Marathon | Half Marathon

  • 21.1 km road running
  • Sat 23 May
  • £35
Ballyvaughan, Ireland

Clare Burren Marathon Challenge | Half Marathon

  • 13.1 miles trail running
  • Sat 6 Jun
  • €47.50
Portumna, Ireland

Portumna Forest Marathon | Half Marathon

  • 21 km road running
  • Sat 13 Jun
  • €40
Ballyheigue, Ireland

Half on the Head Half Marathon

  • 21.1 km road running + 202 m ascent
  • Sat 18 Jul
  • €50
County Kerry, Ireland

Brandon Bay Run - Half Marathon

  • 21.1 km trail running
  • Sat 25 Jul
  • €65
Kilkee, Ireland

Run Kilkee Half Marathon

  • 13.1 miles trail running
  • Sun 30 Aug
  • €45-€55
Longford, Ireland

Abbott Longford Marathon | Half Marathon

  • 21.1 km road running
  • Sat 12 Sep
  • €40
Kilkenny, Ireland

Kilkenny Medieval Marathon | Half Marathon

  • 21.1 km road running + 90 m ascent
  • Sat 3 Oct
  • €55
Galway, Ireland

Run Galway Bay | Half Marathon

  • 13.1 miles road running

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