2026 Tucson Shamrock Half Marathon / 10K / 5K

Lace up your running shoes and join a cherished Tucson tradition at the 2026 Tucson Shamrock Half Marathon, 10K, and 5K, taking place on March 8th in beautiful Tucson, Arizona. This popular early-season event, now in its ninth year, is the perfect opportunity to kickstart your racing calendar or achieve a personal best on a scenic and engaging course. Runners will traverse dedicated paved trails through Brandi Fenton Memorial Park, enjoying tree cover and picturesque desert park views. The out-and-back route offers a generally flat and fast experience, designed to help you warm up your legs for future challenges.

Participants can choose from a Half Marathon, 10K, or 5K, each offering a festive atmosphere filled with camaraderie. Aid stations are strategically placed throughout the courses, providing water and Gatorade, with multiple stops for Half Marathoners and restrooms available along the longer routes. What truly sets this race apart are the unique touches, including a "Chase the Leprechaun" challenge for 5K runners, where passing the elusive leprechaun earns you a special prize. All finishers receive a custom event medal and a choice of a custom tech shirt, complemented by a post-race "Runner's Brunch" to celebrate your accomplishment.

With typical race day conditions boasting comfortable highs around 75°F and lows around 47°F, and only a 2% chance of precipitation, you can expect ideal weather for an enjoyable run. The event welcomes strollers, leashed pets, and wheelchairs, ensuring inclusivity for all participants. Starting and finishing conveniently at Brandi Fenton Memorial Park, the 2026 Tucson Shamrock Half Marathon, 10K, and 5K promises an unforgettable experience blending fitness, fun, and a touch of Irish charm.