Lexington, KY – August 22, 2013 – Shawn Casady won the opening class in the 2013 Hallway Feeds USHJA National Hunter Derby Series, and he’s been a front runner in the series’ leading rider standings ever since. Following last weeks Bluegrass Festival Horse Show, Casady tops the standings with a total of 975 points.   With both a first and second place finish in the Bluegrass Festival’s $5,000 Hallway Feeds USHJA National Hunter Derby, Meredith Darst sits second with 800 points