[4] Basic was born in Melbourne, Australia to father Armin from Banja Luka who ran a café and mother Zana, a lawyer from Mostar.

The Basic family fled to Australia just three years before she was born at the start of the Bosnian War.

[7] Basic earned a scholarship to Carey Grammar School and went to the 2014 World Junior Championships in Athletics held in Eugene, Oregon and ran a personal best of 11.64 seconds for the 100 metres that year.

Just prior to that at the Queensland Classic she had clocked a new personal best of 11.18 to become the fourth fastest woman in Australian history.

[10] She represented Australia in the 100 metres at the 2020 Tokyo Olympics, where she finished fifth in her heat running 11.32 seconds,[11][12] so didn't advance to the semi-finals.