Running races in County Down, Northern Ireland
Find your next race in County Down, Northern Ireland. AthRecs lists 4 events with upcoming dates here. Open a race guide for the location, listed distances and entry information where available.
Upcoming running events include 10K races, 5K races and half marathons.
Events to explore include Run Forest Run: Tollymore 5K 2026, Run Forest Run: Castlewellan 5K 2027 and Mourne Way Marathon Events — The Other Way.
14 listed events · 4 with upcoming dates
Upcoming races
Run Forest Run: Tollymore 5K 2026
NIRNewcastle, County Down
Run Forest Run: Tollymore 5K 2026 — Tollymore Forest Park, Newcastle.
· 5K
Race details, entry and past editions →Run Forest Run: Castlewellan 5K 2027
NIRCastlewellan, County Down
Run Forest Run: Castlewellan 5K 2027 — Castlewellan Forest Park, Castlewellan.
· 10K
Race details, entry and past editions →Mourne Way Marathon Events — The Other Way
NIRNewcastle, County Down
Mourne Way Marathon Events — The Other Way in Newcastle.
· 42K
Race details, entry and past editions →Hillsborough Castle & Gardens Running Festival
NIRHillsborough, County Down
Half-marathon and 10K racing in the grounds of Hillsborough Castle.
· 10K
Race details, entry and past editions →Planning your next race
Which running races are coming up in County Down, Northern Ireland?
Run Forest Run: Tollymore 5K 2026 is listed for 12 December 2026. Run Forest Run: Castlewellan 5K 2027 is listed for 27 February 2027. Mourne Way Marathon Events — The Other Way is listed for 26 June 2027. Check the race guide and organiser’s latest information before making plans.
What running distances are listed in County Down, Northern Ireland?
Look for 10K races, 5K races and half marathons in the upcoming listings. If an event offers several distances, check the individual race guide to choose the edition and distance you want to enter.
Where can I find race entry details for County Down, 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.