Malaythong moved to the United States at age 8. Malaythong teamed with Howard Bach in men's doubles. Malaythong graduated from William Jefferson Palmer High School in Colorado Springs, Colorado and Santa Ana College.
Bob Malaythong won the U.S. National Badminton Championships six times in the men's doubles event in 2003 with Tony Gunawan and in 2005, 2006, 2007, 2008 & 2009 with partner Howard Bach. He also won one mixed doubles National title with Mesinee Mangkalakiri in 2005.
Malaythong now currently coaches at the Synergy Badminton Academy in Menlo Park, CA, along with fellow Olympian and long-time friend, Raju Rai.[3]
The BWF Grand Prix has two level such as Grand Prix and Grand Prix Gold. It is a series of badminton tournaments, sanctioned by Badminton World Federation (BWF) since 2007. The World Badminton Grand Prix sanctioned by International Badminton Federation (IBF) since 1983.