Career
At her first United States. Junior National Championships in Denver, Colorado in 1997, Miles placed second on vault and 10th all-around. Miles placed eighth on vault and 21st all-around at 1998 Junior Nationals in Indianapolis, Indiana. In 1999, she placed second on vault, ninth on balance beam and 12th all-around at 1999 Junior Nationals in Sacramento, California.
She also placed fourth all-around and fifth on beam at the Japan Junior International Championships.
At 2000 Junior Nationals in Saint Louis, Missouri, Miles placed third on vault and 13th all-around. As a first-year senior, Miles was named to the 2001 United States. World Championship team following her fifth-place finish in the all-around at the 2001 United States. Senior National Gymnastics Championships in Philadelphia, Pennsylvania, where she also tied for second place on vault and fourth place on uneven bars.
The next year, she placed third on vault and ninth all-around at 2002 Nationals in Cleveland, Ohio. The United States. women also captured the team title.
As an elite athlete, Miles trained with coaches Michael Harris at HUGS Gymnastics in Boerne, Texas and with Kimberly and Steve Waples of South Texas Gymnastics Academy.
Following her elite career, Miles accepted a gymnastics scholarship to the University of Alabama. Miles was named the National Collegiate Gymnast of the Year for 2006, and she also was a recipient of the Honda Award for top National Collegiate Athletic Association athletes.