The 5K distance will feature a 'Chase the Leprechaun' for 2026! A leprechaun will be set loose on the course for all of our participants to find. Any participant to pass the leprechaun and finish the race will receive a prize at the finish line. No additional registration required. Open to all 5K participants.

To register by mail please complete and return our Mail-in Registration Form! Please make checks payable to StartLine Racing. Mail-in registrations will be accepted until March 9, 2026.

Virtual Run Details

Of course we want you to participate in the Shamrock 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 15, 2026.

Virtual Registrations are restricted to US addresses only. If you reside outside of the US and wish to participate please contact StartLine Racing at info@startlineracing.com

Custom Event Medal for all participants

Choice of Custom Event Tech Shirt for all participants. 

Age Group Awards for Top Three in all Age Groups for the 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, 75-79, 80 & Over

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

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

Owned and operated by StartLine Racing!

Please note any race related items (shirts, medals, etc.) will NOT be mailed to those that do not attend.

Race Day Registration will be available beginning at 6:30am at Kiwanis Park.

We accept cash, and credit cards on race day (checks are no longer accepted)

Race day registration fees will be:

• 10K - $55
• 5K - $50

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

Leashed pet friendly

We welcome wheelchairs, strollers & wagons.

This event will take place rain or shine. There are no refunds for due to weather

Saturday, March 14, 2026 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

You can also pickup your packet during on race day starting at 6:30am.