Whakaotihia te rerenga e whai ake nei: I te tekau ma rima o ona tau, i whakataetae a Thomas i te 2008 Summer Paralympics engari kaore i wikitoria i tetahi mētara. I te tau 2010, ko ia te tuarua i te 100 m butterfly me te 400 m freestyle i te IPC World Championships. I uru ia ki ngā kāwai e ono i te
London 2012 Paralympics me te whiwhi i nga mētara e rua: te parahi i te 200 m takitahi me te hiriwa i te 400 m freestyle.