Boxing at the 2012 Summer Olympics disputes regarding refereeing and officiating at the boxing events in the 2012 Summer Olympics: Boxing at the 2012 Summer Olympics The boxing tournaments at the 2012 Olympic Games in London were held from 28 July to 12 August at the ExCeL Exhibition Centre. A total of 286 competitors took part in 13 events. For the first time at an Olympic Games, women competed in three boxing events. The first Olympic gold medal in women's boxing was awarded to Nicola Adams from Great Britain, who won the flyweight tournament on 9 August 2012. Men competed in the following ten events: Women's
Brazil at the 2016 Summer Olympics one Olympics (five gold medals in Athens 2004), and its record of total medals won at a Games (17 medals in Beijing 2008 and London 2012). Brazil won gold for the first time in three sports: boxing (Robson Conceição in men's lightweight), pole vault (Thiago Braz da Silva) and football (men's team). It was also the first time a Brazilian athlete won three medals at one Games: Isaquias Queiroz in canoeing (two silvers and one bronze). Brazil also won its first ever medals in two sports, the silver that Queiroz won in C1-1000 m was the first in the canoeing