Running races in Northern Ireland in May 2027

8 races in date order

Belfast City Marathon
Sun 2 May 2027 · Belfast, Northern Ireland · Marathon
A scenic marathon through the historic streets of Belfast

Save
Run Rampage Weekender
May 2027 · Magherafelt, Northern Ireland · 10K · 5K · Kids 11-17yrs 5K · Kids 6-10yrs 2K
Mud-soaked obstacle race through Mid Ulster countryside

Save
Strabane Lifford Half Marathon
May 2027 · Strabane, Northern Ireland · Half Marathon
Cross-border half marathon linking Strabane and Lifford

Save
Wild Atlantic Ultra
Sat 22 May 2027 · Belfast, Northern Ireland · 50 Mile Ultra
Ultra circling Croagh Patrick, Doolough Valley and Clew Bay

Save
Race for Life Belfast
Sun 23 May 2027 · Belfast, Northern Ireland · 5K
Up the grand avenue to Stormont's Parliament Buildings

Save
Norn Iron 100 Half Marathon
Sat 29 May 2027 · Ballycastle, Northern Ireland · Half Marathon
Along Northern Ireland's dramatic Causeway Coast

Save
Norn Iron 100
Sat 29 May 2027 · Omagh, Northern Ireland · 106 Mile Ultra · 37 Mile Mini Ultra · Marathon · Half Marathon
108-mile point-to-point ultra across Northern Irelands wild coast

Save
Newry City Half Marathon & 10K
Sun 30 May 2027 · Newry, Northern Ireland · Half Marathon · 10K
Flat, fast half and 10K hosted by Newry City Runners

Save

← Northern Ireland Oct Nov Dec Jan 2027 Feb 2027 Mar 2027 Apr 2027 Jun 2027 Jul 2027 Aug 2027 Sep 2027 Oct 2027

Your next race, seen from above.
Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.

Get RunCalendar

Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.