Shamrock Run

Downtown

This is a recurring event and we're showing the details from its most recent past occurrence. We'll update this page with future event info as soon as we get it. Please check back!

When

Sunday, Mar. 15, 2026

Where

Tom McCall Waterfront Park

98 SW Naito Pkwy
Portland, OR 97204

The Shamrock Run Fest isn’t just a race; it’s a rollicking good time filled with music, laughter, and the warm embrace of community spirit (and oatmeal). Plus, where else can you don your most outrageous green getup and not get a second glance? So don’t be a lame leprechaun — seize the moment, the savings, and the opportunity to join 18,000+ runners at Portland’s most legendary running event. Register now to paint the town green at the Shamrock Run Portland Half Marathon Run Fest, presented by Toyota. 

Shamrock Half Marathon Run Fest is Portland’s longest running tradition. With a fast, scenic course through downtown, roaring crowd support, and an electric St. Patrick’s Day atmosphere, this race is where every runner can shine.