With no shot put facility at his high school, Joe Kovacs learned his craft in a parking lot.
In London, Brittney Reese took gold in the long jump. While she remains a top contender, her teammate, Tianna Bartoletta, is the defending world champion.
Vashti Cunningham, 18, lit up the Indoor Track World Championship with a jump no one could beat.
Watch the video to learn more about these field athletes.