Kitada was born in Shirahama, Wakayama and began judo at the age of 10.[1] She graduated from Nippon Sport Science University in 2001.[1]
In 2002, she participated Asian Games held in Busan and won a gold medal in the Extra Lightweight category.
Kitada also won a gold medal at Paris Super World Cup, Otto World Cup Hamburg and other international championships but did not participate in the Olympic Games or World Championships mainly due to 7 times world champion Ryoko Tamura.[1]
In 2005, Kitada finally participated in the World Championships but was defeated by Yanet Bermoy from Cuba and Alina Alexandra Dumitru from Romania.[2] In April 2006, Kitada retired.[1]
As of 2010, Kitada coaches judo at the Yoshida Dojo.[3] and Shutoku High School.[1]