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September Races Across Ireland You Can Still Enter


Phil Knox
Phil Knox
Published 5 hours ago on 8 Sept 2026
September Races Across Ireland You Can Still Enter

We are already eight days into September but there is still plenty of running on the calendar before the month is out. From city centre 5Ks and fast road races to half marathons, mountain challenges, trail events and ultras, runners have plenty of options across the country over the next three weeks.

Below, we have rounded up races taking place from 9 September through to the end of the month, divided into Leinster, Munster, Connacht and Ulster. Several events offer more than one distance, so there should be something to suit most legs, ambitions and levels of questionable decision making.

As always, check with organisers for the latest details and entry availability before travelling.

Leinster

  • September 10th – Dublin Mountain 5K – Dublin
  • September 12th – Dromiskin 5K – Louth
  • September 12th – Ratoath AC Half Marathon – Meath
  • September 12th – The Lakes 10K – Wicklow
  • September 13th – Lucan Harriers 5 Mile – Dublin
  • September 13th – Luggacurren 5K & 10K – Laois
  • September 13th – Mountmellick 5K – Laois
  • September 13th – Ras Gael Scoil Eanna 7K – Meath
  • September 13th – The Fauna Trail Running Festival 5 Mile, 10 Mile & Half Marathon – Wicklow
  • September 19th – IMRA Circuit of Glendalough 16.4K – Wicklow
  • September 19th – Lakers Sports & Social 10K – Wicklow
  • September 20th – Griffith Avenue Mile – Dublin
  • September 26th – East of Ireland Marathons 10K, 3/4 Marathon, Half Marathon & Full Marathon – Dublin
  • September 26th – EcoTrail Wicklow 10K, 19K, 30K & 46K – Wicklow
  • September 26th – IMRA Stone Cross to Lug – Wicklow
  • September 26th – Tomnafinnoge AC 5K – Wicklow
  • September 27th – The Big Beaumont Hospital Fun Run 5K – Dublin
  • September 27th – The Naas Town 5K & 10K – Kildare
  • September 27th – The Village Run 5K, 10K, 3/4 Marathon & Half Marathon – Laois
  • September 27th – The Stonetown 5K – Louth

Munster

  • September 10th – Run for Cliona’s 5K – Limerick
  • September 11th – An Riocht 5K Series Week 3 – Kerry
  • September 12th – Jerry Kiernan 10K – Kerry
  • September 13th – Na Piarsaigh GAA 5K & 10K – Limerick
  • September 13th – IMRA Nav Challenge 1, Comeraghs 15K – Waterford
  • September 20th – Lahinch Half Marathon & 6 Mile – Clare
  • September 20th – Cork Women's Mini Marathon 6K – Cork
  • September 20th – Cromane Seafest 10 Mile – Kerry
  • September 20th – Holy Family NS 5K – Kerry
  • September 26th – Allihies 5 Mile – Cork
  • September 26th – IMRA Glen of Aherlow Trail Half Marathon – Tipperary

Connacht

  • September 12th – IMRA Diamond Hill 7.1K – Galway
  • September 13th – Boston Scientific Block Run 5K & 10K – Galway
  • September 19th – Céide Coast Atlantic Run 10K & Half Marathon – Mayo
  • September 19th – Ireland West Airport Runway Run 5K – Mayo
  • September 19th – Bunninadden Charity 5K & 10K – Sligo
  • September 26th – Aughagower AC 5K & Half Marathon – Mayo
  • September 27th – Grey Lake 10K – Galway
  • September 27th – Coast to Coast 10 Mile – Sligo

Ulster

  • September 12th – IMRA Cuilcagh 11.9K – Cavan
  • September 12th – Dune Run Bundoran 5K & 10K – Donegal
  • September 13th – Eamon Harvey 10K – Donegal
  • September 13th – Clandeboye 10K – Down
  • September 19th – Seven Sisters Skyline 16K, 30K & 55K – Donegal
  • September 19th – Mourne Mountain Marathon 35K, 45K & 55K – Down
  • September 26th – Annaghmore Running Festival 5K, 10K, 18 Miler & Half Marathon – Armagh
  • September 26th – Seaton Classic 10K – Down
  • September 26th – Monaghan Phoenix Marathon Festival 10K Only– Monaghan

And there you have it. September still has a serious amount of running left, from short evening races to mountain routes and full distance tests.

As always, entry availability and event details can change, so check with the organiser before travelling. If we have missed an event, email phil@runrepublic.com and we will be happy to add it to a future roundup.

Good luck to everyone racing for the rest of the month, and enjoy the miles.

Image: myrunphotos.ie/Lahinch Half Marathon

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