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Clontarf is the Flattest Half Marathon & 5 mile in Ireland

 martathon ireland

The above flat line elevation indicates zero hills. Smooth running for 21.1km


Irelands Flattest Half Marathon & 5 Mile. Next race November 29th
  LATEST NEWS........

  • Final Race details. Please read and print off and bring with you.
  • Individual Race numbers will be displayed here Tuesday 25th midday. Race Details Click on link  2014NovemberFinalRaceDetails.pdf
  • Race Number PICK UP times and venues. Note the changes in days and times click here
  • Online Entries will close on Monday 24th Nov or before if sold out. If it sells out that is it. Please don't leave too late
  • Please note - there will be no entries taken after online entry closes. That includes on the day.
  • Pacers for November Half Marathon. Times: 1hr 30, 1hr 40, 1hr 45, 1hr 50  & 2hrs
  • START TIMES  HALF 10am  5 mile 10.25am  Junior 10.30am approx 

Outcomerun - Positivity gives you the Edge 

Give yourself a gift when taking part in Clontarf this November.... Running is as much about the mind as it is the body. Have you ever gone for a run and found yourself in flow because you are not thinking about anything negative such as: 'I'm tired, I'm stressed, dammit - I left the immersion on etc'?. Or maybe you were thinking negatively and you got distracted by a positive thought and when you snapped out of that thought - you didn't feel that last km go by in comparison to the earlier km's. This happens to everyone running - consciously or subconsciously.                                                                                                                                                                  

Well, to keep you on the positive track and flood your senses with POSITIVITY I invite you to take time to read about Outcomerun - Positivity gives you the edge. I've attached summaries from the chapters in the book. It won't take you too long to read them, get prepared and give yourself the gift of Positivity. Naturally, this is not just for the race - it is for life. Enjoy...Read the Intro first to get an understanding then Pillars 1-7 (sorry App is not available) *Pillars = banners will be spread over the 5 mile course*










Welcome to Joe Duffy BMW Clontarf half marathon and 5 mile ÁPRES MARATHON EDITION. Back with a bang after the success in 2013. We have gone with the same formula which attracted over 1,700 walkers, joggers and runners to this flat course in November. Cooler conditions and the reward of that 'almost famous' home made soup at the finish line make this a race worth considering. Perfect timing for those who have completed the Dublin Marathon. The training is done - so it could be a half marathon PB opportunity...

The entry fee is reduced to €26 for the half and €17 for the 5 mile. We strip down the price in November by eliminating tops and medals. 

Run, Jog or Walk (we have a dedicated walking section). Annual SELL OUT event and places are limited. Enter now to avoid disappointment.  

Go out, be active, and most of all enjoy!

The Clontarf Half Marathon & 5 mile team



Event Sponsors

westwood fitness dublin 

westwood fitness dublin

runworx ireland


beshoff dublin



eoin ryan coching

kilkin dublin


pure magic

westwoodrunworxerdingerbeschofffiteoinRyan kelkin pureMagic

Ireland's Number 1

"The Clontarf Half Marathon takes part in the nations capital Dublin, it is Ireland's flattest half marathon and entrants take part from all 32 county's and even from other nations. "

- Eoin Ryan, Founder

Photo Gallery

You can view some of the photographs taken from previous events below.

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