 Just before the Games , she competed in a warm up event in Switzerland , and set Australian records in the 100 m , 400 m and 800 m events . At the 2004 games , she won a bronze medal in the T53 100 m , behind Tanni Grey @-@ Thompson and Francesca Porcellato . Her goal for the 2008 Beijing Paralympics was to set a personal best , but she also had eyes on a medal . She took the year off her psychology degree to train six times a week . At the 2008 games , along with her team mates Christie Dawes , Madison de Rozario , and Jemima Moore , she achieved her best Paralympic result , winning a silver medal behind China 's world record in the T53 / 54 4x100 m relay . In the individual events , she finished fifth in the women 's T53 100 m event ( a race won in world record time by Huang Lisha ) , seventh in the women 's T53 200 m event ( also won in a world record time by Huang ) , seventh in the women 's T53 400 m event , and led out the women 's 800 m final , eventually finishing sixth . After a couple of sub @-@ par competition results in 2011 , Ballard made big changes to her diet , gloves , technique , chair position , and training regime . She entered the 2012 London Paralympics ranked world number one in both the T53 100 m and 200 m . At the games , Ballard participated in the T53 class events for 100 m , 200 m , 400 m and 800 m events . She won two silver medals in the 200 m and 400 m T53 events , and a bronze medal in the 100 m T53 event . 
