Phoenix Shamrock 10k
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Event
The Phoenix Shamrock 10K / 5K takes place on March 15, 2026, at Kiwanis Park in Tempe, Arizona. The event is owned and operated by StartLine Racing and includes in-person and virtual participation options.
Races and participation
Distances offered:
- 10K Run/Walk
- 5K Run/Walk
- Virtual Run
All participants receive a custom event medal and may choose a custom tech shirt or select a "No Shirt" option for a $5 discount. Virtual registrations are limited to United States addresses and event items for virtual participants are mailed after March 15, 2026. Mail-in registrations are accepted through March 9, 2026; checks should be made payable to StartLine Racing.
The 5K includes a "Chase the Leprechaun" feature; any 5K participant who passes the leprechaun and finishes receives a prize. Male and female age group awards are given to the top three in each age group for the 10K and 5K, for race day participants only. Age groups run from 8 & Under up to 80 & Over.
Logistics and rules
Packet pickup is available the day before at Road Runner Sports in Tempe and also on race day at Kiwanis Park. Race day registration accepts cash and credit cards; checks are not accepted. No roller blades, skateboards, or motorized devices are allowed on the courses. Leashed pets are permitted. Wheelchairs, strollers, and wagons are welcome. The event proceeds rain or shine and there are no refunds for weather. Courses may be changed if the Race Director deems conditions unsafe. Visit the organization's website for the most recent information.
