Mark a decade of valley tradition at the 10th Annual Phoenix Shamrock 10K / 5K on Sunday, March 15, 2026, starting at 7:30 AM from Tempe's scenic Kiwanis Park. This beloved St. Patrick's Day event, organized by StartLine Racing, offers both a 10K and 5K distance for runners and walkers, welcoming participants of all ages and abilities in a festive, leashed-pet-friendly atmosphere. All finishers receive a custom medal and a tech shirt, while the 5K features a playful "Chase the Leprechaun" challenge for extra on-course excitement and prizes.
With tiered pricing offering the best value during early registration periods, this well-organized race includes real-time results, a pre-race brunch, and age group awards. Whether you join in-person or opt for the virtual run, it's the perfect way to celebrate fitness and community under the bright Arizona spring sky.
Mar 15, 2026
Distance — 10km
Type — Running
07:30
$33.03
Mar 15, 2026
Distance — 5km
Type — Running
07:30
$27.71
Mar 15, 2026
Distance — 5km
Type — Running
07:30
$27.71
These values represent the 3-year monthly averages for March in Tempe.
Learn more about the host city, Tempe.
Tempe is a city of 180,587 (2020) in the Greater Phoenix area of Arizona, best known as the home of Arizona State University (ASU). Its younger, student-heavy population allows it to offer a vibrant nightlife that is relatively rare in Arizona.
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