 In 1991 Slatter first competed at the national level with Megan Still when they contested the Australian women's pair championship title in an AIS composite crew.That same year Slatter and Still won two national senior championships together - the open women's coxless four and the open women's eight in an AIS crew but wearing AUBC colours.In 2000 she won the national coxless pairs championship title with Rachael Taylor.