Career
Rumball played with the New Zealand national netball team, the Silver Ferns, from 1993 to 2005. She represented New Zealand in 109 tests to become the second most capped player in Silver Ferns history behind Irene van Dyk. Rumball played as a midcourt defender during her top-level netball career, before her retirement in 2006.
Rumball debuted for the national team, the Silver Ferns, in 1993.
She was co-captain of the Silver Ferns with Bernice Mene from 1999 to 2001 and 2003 to 2004. She was also vice-captain in 1998, 2002 and 2005.
Rumball played for the Otago Rebels in the National Bank Cup in 1998, with the Rebels winning the title that season. The following year she changed to Southern Sting in 1999, under coach Robyn Broughton.
She also became Sting captain in 2003 after Bernice Mene retired from all levels of netball.
Rumball retired from the Silver Ferns in 2005 and the Southern Sting in 2006. She subsequently moved back to New Zealand to continue her career in sports medicine.