This story is free to read. Photos: Paddle boarders trek from Chattanooga through Tennessee River Gorge in ChattaJack 31 mile race phtoto-paddle-boarders-trek-chattanooga-through-te phtoto-paddle-boarders-trek-chattanooga-through-te By Times Free Press Staff October 27, 2013 1 min read Expert paddle boarders arrive at the Walnut Street Bridge for the start of the 31 mile race through the Tennessee River Gorge. Paddle boarders take their positions under the Walnut Street Bridge at the start of 31 mile race through the Tennessee River Gorge on Saturday. A paddle boarder heads to the Walnut Street Bridge for the start of 31 mile race through the Tennessee River Gorge on Saturday.