At his first ever World Championships, he set a South American record to win the silver medal in the 200 metres final, becoming the youngest ever medallist in that event.

[5] Following in the footsteps of fellow Panamanian athlete Irving Saladino, he moved to train in Brazil but an injury interrupted the start of his season, all but eliminating his chances to qualify for the 2008 Summer Olympics.

[3] While recovering, Edward moved to the United States and enrolled with Barton County Community College in Great Bend, Kansas, working under the tutelage of Matt Kane.

[6] The following month he proved his ability to win at the senior regional level, taking two gold medals in a sprint double at the 2009 South American Championships in Athletics.

[16] Prior to the 2010 season, Edward decided that he would miss the 2010 World Indoor Championships in Athletics in favour of focusing upon the first IAAF Diamond League, keen to become the first South American to break the 10-second barrier.

[3] He began his outdoor season in April, winning the 100 m gold at the Central American Games in Panama, but he suffered a strained hamstring in the 200 m and missed much of the year through the injury.