A slight course change using Sherman Street has been made to Saturdays annual Shamrock Run, which begins at 10 a.m. in Watertown.
Both runs will begin on Mullin Street, with the 5-mile runners starting in front of radio station Froggy 97 and the 2.2-mile run/walk participants starting in front of Ahlgrim Dental Office.
The races will turn left on Sherman Street, right on Flower Avenue West and then left onto Ives Street. The shorter race will turn at the parking lot of Immaculate Heart Central Elementary School. The longer race will continue into the town of Watertown.
Registration at the Dulles State Office Building will continue until 9 a.m. Saturday.
Race results will be announced that day at the North Country Goes Green Irish Festival.