Kristy McCormack has won several USHJA International and National Derbies, including the 2016 USHJA International Derby Finals on Miss Lucy.

She has trained multiple riders to win national championships during her time working for Missy Clark at North Run, including her sister Kimmy McCormack to win the 2007 USEF Medal Finals and the ASPCA Maclay Finals. In 2008 Kristy spent time living and showing in Europe working for Stephex Stables. She currently resides in Saratoga Springs, NY, and spends her time freelancing as a rider and clinician.