Kammala jumla mai zuwa: A cikin 2012, Brown ya gama na uku a wasan karshe na mita 400 a Gasar Cin Kofin Duniya na Indoor a bayan dan kasar Demetrius Pinder. Ya sake zama na huɗu a wasan karshe na mita 400 na Olympics. Ya lashe lambar zinare ta farko a gasar Olympics kwanaki hudu bayan haka a gasar
4 × 400 m relay tare da Demetrius Pinder, Michael Mathieu da Ramon Miller, Sun doke zakarun da ke kare Amurka, wanda ya nuna lambar zinare ta farko ta maza a kowane wasan motsa jiki na Bahamas da kuma rashin nasarar Amurka ta farko a wannan tseren a wasannin Olympics tun 1972.