His personal best time is 10.14 seconds, achieved in Clermont Florida April 2014. This makes him the second fastest Bahamian of all time behind Derrick Atkins, and fastest Bahamian-born sprinter, at the time. That mark has since been broken by Shavez Hart
Griffith graduated with his Bachelor of Science degree in Computer Science as a magna cum laude honoree at Dickinson State University in Dickinson, North Dakota. He was a part of two-time National Association of Intercollegiate Athletics (NAIA) National Championship team while attending Dickinson State University. He also was a six-time Conference Championship team (Indoor and Outdoor Conference meet), eight-time NAIA All-American, 9-time All DAC-10 Conference, four-time DAC-10 Conference Champion and was named 2006 Most Outstanding Athlete in DAC 10 Conference meet. He was also the former school record holder in both the 100 meters and long jump.