The Dublin Chamber of Commerce, in conjunction with the Westerville, Worthington and Powell chambers of commerce, will host its 2009 Chamber Business Expo from 4:30 to 7 p.m. today (Thursday, June 25).

The Freedom 4Miler, hosted by Second Sole Racing, begins at 9 a.m. at Olentangy Orange Middle School, 2680 E. Orange Road.

Orange Celebration, hosted by Orange Township Business Association. Parade begins at 10 a.m., starting at Oak Creek Shopping Center, traveling east on old Powell Road, north on Old State Road and ending at Orange Middle School.

Concert on the Green, hosted by Wow! Internet, Cable and Phone, 1 to 3 p.m. at Orange Middle School. Countyline Junction Band will perform.

Registration entry forms and event information are available under Orange Celebration at www.otba.net or under the Freedom 4Miler at http://secondsoleracing.com/races/Freedom4.html.