Tucson Shamrock Half Marathon
Race Day Weather
Cool start, warming trend ahead
Runners will face a temperature rise from 48°F at the start to 67°F by the finish. With light wind at 8 mph from the SSW, conditions remain favorable. Humidity is low at 30%, allowing for a steady pace, but runners should be mindful of increasing temperatures and hydrate appropriately as they progress.
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Race Info
The Tucson Shamrock Half Marathon takes runners along dedicated asphalt and concrete trails on the Rillito River Loop, starting and finishing at Brandi Fenton Memorial Park. The St. Patrick's-themed race also offers 10K and 5K distances. It is organized by StartLine Racing, an Arizona race management company that runs several similarly-themed events across the state.
