Proud Sponsor of:

Welcome to the Rás na hÉireann USA 5K


Rás na hÉireann is the most genuine Irish race this side of the Atlantic. It is a celebration of traditions dating back centuries - and simply a celebration of spring in Somerville, Massachusetts.


5,000 registered runner & walker limit.

Sold out weeks in advance every year since 2004!

Congrats to the finishers of the 2017 Rás na hÉireann USA 5K! Check out your Results.


See you next year!


race information

event information


Somerville Running Series:

For more information about the race, volunteering, etc. contact:

B.A. Event Promotions

P.O. Box 1294

Margaretville, NY 12455

For regular updates from the Race Director