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Shamrock Run Fest
March 14, 2027 · 9:00 AM – 6:00 PM Unverified · Downtown Portland—Shamrock Run Fest presented by Toyota is Portland’s long-running St. Patrick’s Day weekend road race through downtown Portland, Oregon, on March 14, 2027, with Half Marathon, 8K, 5K, 5K Walk, and Leprechaun Lap distances.