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Sara and Keith will be joined by newcomer Brandon Kinney on the show, which takes place at the Nashville Arena at 7 p.m. CT. The Country Music Marathon and ½ Marathon, now in its eighth year, includes runners from all over the world and is now considered one of the nation’s top races. Country stars also get involved in the event, with Carolyn Dawn Johnson and members of Diamond Rio participating in the ½ Marathon. Tickets for the post-race show are on sale now and can be purchased through ticketmaster.com or the Nashville Arena box office.