When you ask Portland runners about the Shamrock Run, there seem to be two types of answers: Why would I run when there are 33,000 other runners doing the same thing, or Wouldn’t miss it! I go back and forth between the two, but the fact that 2015 will be my 6th consecutive year should tell you how I feel about it! If you are planning to sign up for the 2015 race, do so quickly!…