 Ramba uchiverenga ndima iyi - Mumakwikwi eWorld Championships muna 2015, Brown akamhanya 10.03 mhepo ichibatsirwa pa 2.1 ms mumakwikwi e100 m, kunyange zvazvo mumasemifinal akamhanya 10.15, achirasikirwa nemagumo zvakare. Chikwata cheCanada chakadzokorora kuhwina kwaro menduru yebronze mumakwikwi eRelay, vachimhanya 38.13 naAndre De Grasse, Brendon Rodney, naJustyn Warner. 