The Wilmington Chamber of Commerce is seeking sponsors and participants for its ninth annual half-marathon and 5k run or walk. The event will be held Sept. 22. Participants may choose to walk or run either the half-marathon or the 5k. Preregistration fees vary from $10 for students 18 years or younger to $25, depending on which race the participant chooses. Proceeds will benefit scholarships for Wilmington High School students. The fund-raising event also will feature children’s activities, a disc jockey, hot dogs, fruit, and ice cream. For more information or to register online, visit the chamber’s website at www.wilmingtonbusiness.com and click on the link to the race from the home page.