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Phoenix Shamrock Half / 10K / 5K / Leprechaun Sprint...

  • Half Marathon:- Run 13.1 Miles
  • 10K Run/Walk :- Run 6.2 Miles
  • 5K Run/Walk :- Run 3.1 Miles
Sunday, March 18, 2018
Freestone Park
1045 E Juniper Avenue

_ The 2018 Phoenix Shamrock Half / 10K / 5K / Leprechaun Sprint:

Join StartLine Racing as we continue a March tradition in the valley!  


The 2nd Annual Shamrock Half Marathon / 10K / 5K / Little Leprechaun


Sprint event will be taking place on March 18th at


Freestone Park in Gilbert.  

Mail-in and Virtual Registration

To register by mail please complete and return our Mail-in Registration Form!  Please make checks payable to StartLine Racing.

Virtual Run Details

Of course we want you to participate in the Shamrock Half Marathon, 10K, 5K event locally but we know things come up.  So, if you can't join us on race day and still want to run, get the medal and the shirt then you still can.  Here is your way to take part in this event no matter where you are.  And of course, all prices include shipping!  Please note that items will not be mailed out until after the event on March 18, 2018.

Virtual Registrations are restricted to US addresses only.  If you reside outside of the US and wish to participate please contact StartLine Racing at [email protected]


All Participants Receive:

  • Custom Event Medal for all participants

  • Choice of Custom Event Dri-Fit Racerback Tank or Tech Shirt for all participants.

  • Age Group Awards for Top Three in all Age Groups for the Half Marathon, 10K and 5K distances (Race Day Participants only).  Our age groups are the following:

    • 8 & Under, 9 & 10, 11-13, 14-17, 18-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75 & Over

  • Pre- and Post-Race "Runner's Brunch" (bagels, fruit, water, Gatorade, etc)

  • Real Time Results and Photos on our Website or Mobile App (on Apple and Google)

  • Course set/marked by StartLine Racing to maximize your experience!

Event details and schedule


Half Marathon Course Map

10K Course Map

5K Course Map


Packet Pick-up Opportunities

  • Saturday, March 17 2017 from 2:00 - 5:00pm at Road Runner Sports in Tempe (map)

    • Road Runner Sports is located at 43 S McClintock Drive, Tempe, AZ 85281

  • Sunday, March 18 2017 at Freestone Park (race location) beginning at 7:00am.


Event Schedule

  • March 17 2:00 PM - Packet Pickup at Road Runner Sports in Tempe from 2-5pm

  • March 18 7:00 AM - Race Day Packet Pick-up and Registration Opens

  • March 18 8:00 AM - Half Marathon Run Begins

  • March 18 8:10 AM - Little Leprechaun Sprint Begins

  • March 18 8:45 AM - 10K Run/Walk Begins

  • March 18 9:00 AM - 5K Run/Walk Begins

  • March 18 9:30 AM - Award Ceremony Begins (approx)


Race Day Information


  • We welcome wheelchairs, strollers & wagons. 

  • No roller blades, skateboards or motorized devices are allowed on the run or walk courses.

  • Leashed pet friendly


  • Little Leprechaun Sprint is an untimed half mile run

  • Due to the common start/finish line, there is no bag check for this event.

  • There is a 4 hour time limit on the half marathon course.

  • Race Day Registration will be available beginning at 7:00am at Freestone Park.

    • We accept cash, check, and credit cards (Visa or Master Card) on race day 

  • Race day registration fees will be:

    • Half Marathon - $80
    • 10K - $50
    • 5K - $40
    • Kids Dash - $20


Other Info


-) 2018 race registration is open • Registration Information




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