Walker won 2011 Georgia High School Association AAAA state track and field title in 800 meters in a time of 1:53.27.

Walker won 2010 Georgia High School Association AAAA state track and field title in 800 meters in a time of 1:51.71.

Walker is a three time Mountain Pacific Sports Federation track and field champion (Once as a member of the 4 x 400 m relay team).

Walker finished his BYU career as the school record holder in the indoor 800 meters with a time of 1:46.97, set in 2016.

The winners of the 2016 Curtis Pugsley Track and Field Athlete of the Year Award are Shaquille Walker and Shea Collinsworth.