The following year, she ran 11.17 secs in her heat at the 2016 World U20 Championships, to move to second on the UK under 20 all-time list behind Dina Asher-Smith (11.14 in 2014).

At the 2018 Anniversary Games in London, Lansiquot ran a season's best of 11.19 secs in her heat, before improving her personal best to 11.11 in the final, to move to sixth on the UK all-time list.

[4] At the 2019 World Championships in Doha, she reached the 100 metres semi-finals and ran 11.35 secs, having run 11.31 to qualify as a fastest loser from the preliminary round.

[8][9] After winning the 100 metres bronze medal at the 2024 British Athletics Championships, Lansiquot was subsequently named in the Great Britain team for the 2024 Summer Olympics[10] where she went out in the semi-finals.

[14] She is currently dating West End actor Dom Simpson, who currently stars as Christian in Moulin Rouge The Musical.