<prompt> Pedzisa mutsara unotevera: Brett Petersen akaberekwa musi wa9 Gunyana 1976 aimbova mutambi wekushambira wemuSouth Africa, uyo aive nyanzvi mumitambo yebreaststroke. Akakunda menduru yegoridhe mumakwikwi emamita 100 ekumhanya nechipfuva pa  <response>: 1999 All-Africa Games, uye akazoita mutambi wepamusoro 8 mumutambo mumwechete pa 2000 Summer Olympics. Achiri kudzidza kuUnited States, Petersen aiva chikamu chechikwata chemamita mazana maviri chakatora nzvimbo yepamusoro pa1998 Atlantic Coast Conference Swimming Championships. Petersen akatambawo Florida State Seminoles yekushambira uye yekudonha timu pasi pemurairidzi mukuru Neil Harper, uye akazove akapedza kudzidza manejimendi ruzivo masisitimu kuFlorida State University muTallahassee, Florida. 