The Middletonian 5K in Middletown, Butler County, invites participants of all ages to take part in a scenic run and walk. The event highlights the history of Middletown and supports the revitalization of its downtown and the local airport. It starts and ends at the Butler County Warbirds Military History Museum, featuring a post-race party with awards and prizes. A portion of registration fees will aid Downtown Middletown, Inc., which focuses on enhancing the community.