Showcasing the best of downtown Portland, the Shamrock Run will celebrate 46 years of running on St. Patrick's Day 2024. Portland’s longest-running running tradition features multiple distances ranging from the half-marathon to the one-mile Leprechaun Lap for kids. All races start and finish at Tom McCall Waterfront Park, offering sweeping views of Portland’s skyline, Willamette River waterfront, and several unique bridges.