Lace up your running shoes and get ready to hit the pavement. There’s a half marathon coming to Viola.Registration is currently under way for the inaugural Viola Valley Half Marathon and Bluegrass and Breakfast Festival. It’s set for May 19 with the race to start at 8 a.m.“It’s a real pretty course that goes through three counties so we hope people will come out and run,” said Keri Hertwig Nunley, who is helping to organize the 13.1-mile race that will travel through Warren, Grundy and Coffee counties.