CLARKSVILLE, TN (CLARKSVILLE NOW) – The inaugural Clarksville Half Marathon, 5K, and 1-Mile Race was held downtown on Saturday, with 850 people in the running. The Half Marathon started in downtown Clarksville, followed Riverside Drive along the Cumberland River, passed through Liberty Park and McGregor Park, and continued onto the Austin Peay State University campus, then finished with a race down Franklin Street.