Several roads will close at Mill Creek MetroParks Sunday as runners participate in the Green Cathedral Half Marathon and 5K.

The roads will be closed to vehicles, bicycles and pedestrians from 6 a.m. until 1 p.m. Sunday, September 18.

The road closings will affect Bears Den Drive, Cross Drive, New Cross Drive, Lily Pond Drive, West Drive, West Glacier Drive, Memorial Hill Drive, East Park Drive, Valley Drive, Chestnut Hill Drive, High Drive, West Cohasset Drive, Robinson Hill Drive, and the Slippery Rock Bridge.

The park recommends using caution while driving, running or walking on park roads at all times.

Visit the park's website for more information.