Kammala jumla mai zuwa: An haife shi a Wenzhou, China, Lay ya koma Melbourne a farkon shekarun 1990 kuma daga baya ya zama zakaran Victoria sau uku tare da lashe lakabi da yawa a wasu wasannin Victoria. An zabi ta a cikin tawagar 'yan wasan kasar Australia a shekarar 1994 kuma ta halarci wasannin Olympics na Sydney, Athens, Beijing, London, Rio de Janeiro da Tokyo. Lay ya kuma yi takara a shekarar 2002,
Wasannin Commonwealth na 2006 da 2014, inda ta dauki gida jimillar lambobin azurfa hudu da tagulla uku.