[1] Sebastian Sultana is from Schofields in Sydney in New South Wales and attended St John XXIII Catholic College.

[2][3] In July 2023 Sultana set a new Australian under-18 100 metres record with a run of 10.27 seconds in Sydney.

[4] In April 2024, he set a new 100m personal best time of 10.17 seconds to qualify for the final of the Australian Athletics Championships in Adelaide.

[5][6][7] He ran as part of the Australian 4x100m relay team which qualified for the 2024 Paris Olympics at the 2024, however he was unable to run due to injuries.

Sebastian is currently studying a Bachelor of Exercise and Sport Science at the Australian Catholic University.