 She won the gold medal in the Women's 1500m T54 at the 2014 Commonwealth Games in Glasgow.At the 2018 Commonwealth Games at the Gold Coast, Queensland, she won the silver medal in the Women's 1500m T54 finishing behind Madison de Rozario.Ballard won the 100 m women's wheelchair open title in 1998, 2001, 2002, 2004, 2005 and 2008, and finished second in 2000, 2003, 2010, and 2011.