Pedzisa mutsara unotevera: Anderson akamiririra Great Britain paMitambo yeParalympic kanokwana katanhatu, muna 1992, 1996, 2000, 2004, 2008 uye 2012 Summer Paralympics. Akakunda menduru dzegoridhe nhanhatu dzeParalympic, ina paMitambo ya2004, mumakwikwi e50 m, 100 m uye 200 m akasununguka uye 50 m kumashure, uye maviri paMitambo ya1996 mumakwikwi e50 m kumashure uye 100 m akasununguka. Akagadzawo zvinyorwa zvenyika zviviri uye zvinyorwa zvina zveEurope. Akakwikwidzawo kumakwikwi e2008 Paralympics muBeijing. Akasarudzwazve nokuda kwe
2012 Paralympics muLondon, akapedza wechina muS2 kirasi yekupedzisira ye50m backstroke uye yechisere muS2 100m freestyle.