[5] Coached by Deborah Steer at St Albans Athletic Club,[6] Gill set the fifth fastest British U17 age group 800m time in May 2022, running 2:03.74 at the Watford Open Graded Meeting.

[9][10] In July 2023, Gill broke Warner-Judd's U17 British record for the 1500m, when she ran 4:11.96 at the BMC Watford Gold Standard meeting.

[11] Gill was selected to represent England at the 2023 Commonwealth Youth Games held in Port of Spain, Trinidad and Tobago in August 2023.

[15] On 1 May 2024 (4 days after turning 17), Gill ran 4:05.87 at 1500m in a Watford Open Graded Meeting (mixed gender), improving her personal best by over 6 seconds.

This ranked her as the 3rd fastest all-time Female U20 in the UK for 1500m, behind Zola Budd (3:59.96 - 30 August 1985) and Stephanie Twell (4:05.83 - 18 July 2008) [16] On 11 May 2024, Gill ran 1:57.86 at 800m in Belfast, to break the European Under-18 record of 1:59.65 set by East Germany’s Marion Geissler-Hübner 45 years previously.