Horse Racing Odds and Analysis Coppola, Arzak, and Rogue Lightning Lead Shakertown Sprint Showdown   While Kentucky Derby Prep Races grab most of the spotlight this spring, the $400,000 Shakertown Stakes (G2T) at Keeneland on April 8 offers turf sprinters their moment in the sun. Though it won’t affect Kentucky Derby odds or Kentucky derby betting directly, the race plays a pivotal role in shaping the sprint division as top contenders clash over 5 1/2 furlongs.