When the tough sprinter Aerovelocity rounded the turn at Chukyo in the 2015 Group 1 Takamatsunomiya Kinen, his lack of balance and footwork wasn’t quite as bad as a baby deer on ice — a giraffe in roller skates, maybe. Whatever the case, the slippery rain-soaked surface certainly wasn’t the rock-hard Sha Tin runway the sprinter had become accustomed to.