The members of the Junior Olympics team at Ramos Boxing complete a workout routine on April 12, 2017 in San Antonio, Texas. The athletes undergo an intensive training regimen designed in preparation for the South Texas Junior Olympic Championships in Laredo, Texas.

Gustavo Garrido, 14, and Edward Guitron, 15, -- both older division amateur boxers of the Ramos Boxing Junior Olympics Team -- prepare for a fifth repeat of a 40-second run around the perimeter of the gym premises.

The older division of amateur boxers of the Ramos Boxing Junior Olympics Team prepare for a fifth repeat of a 40-second run around the perimeter of the gym premises.

Gustavo Garrido runs through a drill to prepare for the South Texas Junior Olympic Championships in Larado, Texas.

Victor De Los Santos Jr., 12, center, punches a bag at the Ramos Boxing gym with other members of the Junior Olympics team. Many of the young athletes devote hours in the gym to continue a family tradition they say "runs in their blood."

Reina Tellez, 14, and AJ Ramos, 13, take turns punching during a bag drill at the Ramos Boxing gym in the South Side neighborhood of San Antonio, Texas. 

After the day's training drills are complete, AJ Ramos, 13,  goes through punching exercises with his father and owner of Ramos Boxing, Arturo Ramos III. The younger Ramos is currently ranked #5 in the nation for the 13- to 14-year-old, 85-pound division.

Miguel Ángel Jacobo Jr., 9,  drinks water during a break between punching bag drills. Jacobo has only recently been registered as an amateur fighter though he has been boxing since age six. "I get pretty nervous when I'm in the ring," Jacobo said. "But I want to be professional when I get older."