She was the 2021 French Athletics Championships winner in the high jump.

[1] Maxwell won her first senior national title at the 2021 French Athletics Championships in a personal best of 1.91 m, which was also the 3rd-best European U20 performance of the year to date.

[3] At the 2021 World U20 Championships, Maxwell qualified for the final and tied for 12th place.

[4] She attempted to clear 1.92 m to set a meeting record, but had to settle with a 1.85 m winning mark.

[5] Maxwell went on to win the 2023 French Athletics Indoor U23 championships in Miramas with a jump of 1.81 metres.