A native of Miami, Dukes attended Booker T. Washington High School, where he ran track and played on the football varsity, being teammates with Quinton Dunbar, Lynden Trail, Eduardo Clements and Elkino Watson.

Dukes finished fourth in the 200 m at the 2009 World Youth Championships in Athletics, despite entering the event as World Youth Leading.

He also helped the US medley relay squad to a gold medal.

[1] Dukes ran 200 m in 19.97 on April 4, 2014, at the Florida Relays, a world leading time at that point.

This biographical article about an American sprinter is a stub.