World Series of Boxing Like professional boxing, each bout is decided by the scores of three judges or, in some cases, by a knockout, technical knockout or walk-over. A WSB meet between two international franchises consists of bouts in ten (formerly five) weight categories. There are five three-minute rounds in each bout and the team that wins the most number of bouts wins the meet. Until season 4, there were five weight categories which were different than 10 categories in amateur (Olympic) boxing or 17 categories in professional boxing. These were Heavyweight (91+ kg), Light heavyweight (80–85 kg), Middleweight (68–73 kg), Lightweight (57–61 kg)
USA Boxing Union) Boxing championships. The Championships crown a United States Amateur Champion in each of the sanctioned weight classes. USA Boxing organizes the USA Knockouts team in the World Series of Boxing. Weight Classes - Elite Men Weight Classes - Elite Women Below are the lists of the national amateur champions, by division: USA Boxing USA Boxing is the national governing body for Olympic-style amateur boxing. It is overseen by the United States Olympic Committee and the International Boxing Association (AIBA), which sets its rules. Headquartered in Colorado Springs, CO, USA Boxing is a non-profit organization responsible for the administration, development