In January 2019, she broke Michelle Seymour's 1994 New Zealand residents 100 m record with a time of 11.42 s.[4] Later that year, she competed in the 100 m and 200 m at the World Athletics Championships hosted in Doha, Qatar.

[7][5][8] At the 2022 World Athletics Indoor Championships held in mid-March in Belgrade, Serbia, Hobbs broke the Oceania 60 metres record with a time of 7.13 s,[9] qualifying for the semi-finals where she ran 7.16 s, 0.02 outside a finals berth.

[1] Hobbs made the final of the 100m at the 2022 Commonwealth Games in Birmingham, England, initially finishing sixth but was later upgraded to fifth place after the original fifth placegetter was disqualified for a doping offence.

[13] On 11 March, at the Sydney Track Classic, Hobbs officially broke the 11-second barrier with 10.97 s to set new Oceania and Australian all-comers' records.

At the World Athletics Championships she was tenth fastest overall in the semi-finals of the 100 metres, missing the final by 0.01 s. After finishing fourth in the Memorial van Damme in Bruxelles, Belgium, on 8 September, Hobbs was sixth-equal on the Diamond League points table and qualified for the Diamond League Final held at the Prefontaine Classic in Eugene, Oregon, USA, on 16–17 September, where she placed ninth in 11.18 s.[15] On 2 March 2024, Hobbs qualified for the Final of the 2024 World Athletics Indoor Championships women's 60 metres race where she finished fourth in a new Oceanian Record of 7.06s.