_ The 2022 Tucson Shamrock Half Marathon / 10K / 5K:
Join StartLine Racing as we continue a March tradition!
The Tucson Shamrock Half Marathon, 10K & 5K will take place on Saturday, March 12th at Crossroads at Silverbell District Park in Marana.
Virtual Run Details
Of course we want you to participate in the Tucson Shamrock Half Marathon, 10K and 5K event locally but we understand things come up. So, if you can't join us on race day and still want to run, get the medal and shirt then you still can! Here is your chance to take part in this event no matter where you are! And of course, all prices include shipping! Please note that all items will ship following the event on March 13th.