Downtown areas will be awash in green Saturday for St. Patrick’s Day events in Davenport and Rock Island.

See the adjacent maps for the routes of the CASI St. Patrick’s Day road races and the St. Patrick Society, Quad-Cities, USA, Grand Parade XXVII.

The parade lasts from 11:30 a.m. to 1:30 p.m., beginning in Rock Island and crossing the Centennial Bridge to downtown Davenport. A pre-parade Mass will begin at 10 a.m. Saturday at St. Mary’s Church, 2208 4th Ave., Rock Island, and the parade is followed by the Post-Parade Bash from 1-4 p.m. at the Col Ballroom, 1012 W. 4th St., Davenport.

The 5K road race starts at 10 a.m. in downtown Davenport, with a Tot Trot at 9 a.m. and 1-mile fun run at 9:30 a.m. Race-day registration is available 8-9:30 a.m. for $30 for the 5K and $12 for the other events. Register at the outdoor courtyard of the River Music Experience, 129 Main St.