Running races in County Down, Northern Ireland
Find running races in County Down, Northern Ireland. Compare 4 upcoming events by date and location. Open a race guide for the course, recorded editions and official 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.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
14 listed events · 4 with upcoming dates
Upcoming running races
4 matching events, earliest date first. Entry availability is shown separately.
Run Forest Run: Tollymore 5K 2026
NIRNewcastle, County Down
Run Forest Run: Tollymore 5K 2026 — Tollymore Forest Park, Newcastle.
Date listed · latest organiser confirmation not yet checked.
Run Forest Run: Castlewellan 5K 2027
NIRCastlewellan, County Down
Run Forest Run: Castlewellan 5K 2027 — Castlewellan Forest Park, Castlewellan.
Date listed · latest organiser confirmation not yet checked.
Mourne Way Marathon Events — The Other Way
NIRNewcastle, County Down
Mourne Way Marathon Events — The Other Way in Newcastle.
Date listed · latest organiser confirmation not yet checked.
Hillsborough Castle & Gardens Running Festival
NIRHillsborough, County Down
Half-marathon and 10K racing in the grounds of Hillsborough Castle.
Date listed · latest organiser confirmation not yet checked.
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.
Granite Peaks Races — Granite Peaks Ultra 50K
NIRBryansford, County Down
Historical results collected from the UTMB Index.
Next date not listed
Race guide and recorded editions →Granite Peaks Races — GRANITE PEAKS ULTRA 80K
NIRBryansford, County Down
Historical results collected from the UTMB Index.
Next date not listed
Race guide and recorded editions →Heath Graham Ards 5 Mile 2026
NIRNewtownards, County Down
Heath Graham Ards 5 Mile 2026 — an officially published five-mile fixture at Londonderry Park, Newtownards.
Next date not listed
Race guide and recorded editions →Mourne Mountain Marathon
NIRNewcastle, County Down
Mourne Mountain Marathon — 55K, 45K, 35K at Mourne Mountains.
Next date not listed
Race guide and recorded editions →Saintfield 5K & 10K
NIRSaintfield, County Down
Saintfield 5K & 10K — an officially published 5K fixture at Comber Street, Saintfield.
Next date not listed
Race guide and recorded editions →Seaton Classic 10K
NIRBangor, County Down
Seaton Classic 10K — 10K at Bangor.
Next date not listed
Race guide and recorded editions →Choosing a race in County Down
The unfiltered upcoming calendar includes events in Newcastle (2), Castlewellan (1), Hillsborough (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about running races in County Down
What should I check before a running event in County Down?
Choose your distance, then check the route, elevation, cut-off time and entry conditions in the organiser’s race guide.
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.