MONDOVI, Wis., July 1/PRNewswire-FirstCall/ -- Marten Transport, Ltd. (Nasdaq: MRTN) announced today that it will release its second quarter financial and operating results after the close of the market on Tuesday, July 20, 2010. Marten Transport, with headquarters in Mondovi, Wis., is one of the leading temperature-sensitive truckload carriers in the United States. Marten specializes in transporting and distributing food and other consumer packaged goods that require a temperature-controlled or insulated environment. Marten offers service in the United States, Canada and Mexico, concentrating on expedited movements for high-volume customers. Marten's common stock is traded on the Nasdaq Global Select Market under the symbol MRTN. CONTACTS: Tim Kohl, President, and Jim Hinnendael, Chief Financial Officer, of Marten Transport, Ltd., 715-926-4216. SOURCE Marten Transport, Ltd.