Mia Gross Biography: Sisters, Awards, Instagram, Age, Parents, Height, Net Worth, Boyfriend
Mia Gross is an Australian track and field sprinter competing in the 100 metres, 200 metres and 400 metres.
She was a two-time junior Australian champion in the 100 metres and 200 metres and contributed to Australia’s bronze medal in the 4 × 100 metres relay at the 2022 Commonwealth Games.
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Gross made her Olympic debut at the 2024 Paris Games and later claimed gold in the 200 metres at the 2026 Oceania Athletics Championships.
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| Wiki Facts & About Data | |
| Name: | Mia Gross |
| Born: | 18 April 2001 (age 25 years old) |
| Place of Birth: | Geelong, Australia |
| Nationality: | Australian |
| Height: | 1.80 m |
| Parents: | Mr. and Mrs. Gross |
| Siblings: | Olivia Gross, Willow Gross |
| Occupation: | Track and field sprinter, Athlete |
| Net Worth: | $300,000 |
Early Life and Education
Mia Gross was born on 18 April 2001 in Geelong, Australia. Of White ethnicity, she grew up in a Christian household with her parents, Mr. and Mrs. Gross, and her sisters Olivia Gross and Willow Gross.
She attended Geelong Grammar School on an athletics scholarship after beginning her sporting journey through local little athletics clubs.
Career
Mia Gross first gained attention as a junior athlete, winning Australian under-20 titles in both the 100 metres and 200 metres in 2018 and 2019.
She represented Australia at the 2018 World Under-20 Championships, reaching the 200 metres semi-finals and helping the 4 × 100 metres relay team into the final.
Early international experience also included the 2017 Commonwealth Youth Games, where she collected a mixed relay gold.
Transitioning to the senior ranks, Gross earned selection for the 2022 Commonwealth Games in Birmingham and contributed to Australia’s bronze medal in the 4 × 100 metres relay.
She continued to progress through domestic and regional competition, securing silver in the 200 metres at the 2024 Oceania Championships.
That same year she made her Olympic debut in Paris, competing in the 200 metres.
In subsequent seasons Gross expanded her range and improved her personal bests across the sprint distances.
She set new marks of 11.33 seconds in the 100 metres and 22.73 seconds in the 200 metres in 2025, while also developing strength over 400 metres.
At the 2026 Oceania Athletics Championships she claimed gold in the 200 metres and silver in the 400 metres.
Her consistent performances and versatility have established her as a regular member of Australian senior sprint and relay teams on the international stage.
Social Media
- Instagram Handle: @mia.gross
Personal Life
Mia Gross has never been married and is currently single.
She has not publicly disclosed any romantic relationships and has no children. She maintains a focus on her athletic career and family life with her sisters.
Net Worth
Mia Gross has an estimated net worth of $300,000.
Her income is generated through competition prize money, national team support, and earnings related to her career as a professional Australian sprinter and Olympian.
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