Get ready to run this 5k on Saturday, August 1st, 2026 at 9am in downtown Waterloo, Iowa, as part of the Iowa Irish Fest—the Midwest's premier Irish celebration! Online registration is now open, with early packet pickup and walk-up registration available Friday, July 31st from 4-7pm at Main Gate Entrance 1, or Saturday morning starting at 7:30am. You can add a Festival weekend pass for runners 16 and older at just $25 during registration (a savings compared to the $40 gate price), and you'll collect your wristband at packet pickup.