He represented his native country at the 2004 Summer Olympics in Athens, Greece, finishing in 14th place.

He broke the Pan American Games decathlon record in 2007, winning his first international gold medal.

Smith is the current national record holder in the men's decathlon, with 8644 points.

[citation needed] Smith beat World Champion Roman Šebrle and Dmitriy Karpov at the TNT-Fortuna Combined Events meeting in Kladno, Czech Republic with 8157 points, setting him up well for the 2009 World Championships in Athletics.

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