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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........

  • SOLD OUT. There are no more spaces available. Please don't email or phone asking. We don't have a waiting list. The race is FULL. Swaps are no longer allowed - the time has expired to do this. 
  • Race numbers HERE. Please save the number(s) accurately to your phone. If you name begins with Ní/ Mac / O' or O with a space or something different please do a ctrl and 'F' for find - then type name in - to locate it. Or try your first name (it's common for ppl to spell their names wrong). Have a proper look for it - as it is always there (provided you have entered). 
  • HALFmarathonRACEnumbers2014.pdf 5mileRACEnumbers2014.pdf JUNIORnumbers2014.pdf
  • Final Race details. Please read and print off and bring with you.
  • Race Details Click on link  2014NovemberFinalRaceDetails.pdf
  • Race Number PICK UP times and venues. Note the changes in days and times click here 
  • 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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