Shelby has been riding hunters and jumpers for over 15 years. Shelby is an accomplished professional equestrian registered with the United States Equestrian Federation and the Texas Hunter/Jumper Association. Shelby has competed at national levels and represented this region of the U.S. in international competition.
Shelby trained under Patricia Swift from The Oaks in San Juan Capistrano. After moving to Texas, Shelby trained under Rebecca Sanoja, who owns and operates Bryherstone Farm. Rebecca Sanoja is a former international champion rider for the United Kingdom and Venezuela.
Shelby has also completed clinics with George Morris, Jeff Cook, Linda Allen, Sandy Ferrell and Melanie Taylor.
In 2006, Shelby was Junior Jumper Champion at the 5 Star Pin Oak Charity Horse Show. She also qualified for Prix Des States in Harrisburg, was 2nd in the Zone 7 Junior Jumper Finals, and represented Zone 7 in the National Junior Young Rider Championships in Lexington, Virginia.