Richland — Thousands of runners are expected to take over Columbia Park on Saturday when the 3 Rivers Road Runners stage the annual Leprechaun Dash and St. Patrick Day Foot Race.

Elementary and middle school students will take off at 9:30 a.m. for the 1-mile Leprechaun Dash. The 10-kilometer St. Patrick’s race starts at 10 a.m. and the 5K at 10:10 a.m.

Registration begins at 7:30 a.m. at Kimo’s, 2696 N. Columbia Center Blvd., Richland. Children can run in the Leprechaun Dash for free. The St. Patrick Day Foot Race has a $15 entry fee.