In March, she competed at her first senior English Championships, where she took the bronze medal on floor exercise behind Claudia Fragapane and Amy Tinkler[5] despite breaking her hand a month before.

[7] In March, Fenton placed fourth in the all-around at the British Championships, and took the silver medal on the uneven bars behind Ellie Downie.

[3] She returned to competition at the Varna World Challenge Cup in Bulgaria, where she picked up the silver medal in the balance beam final behind Brazil's Daniele Hypólito.

[12] At the World Championships, Fenton and Belgium's Nina Derwael became the first gymnasts to successfully compete a stalder to straddle tkatchev release move with a half turn on the uneven bars.

[14] She was selected to represent England at the 2018 Commonwealth Games on the Gold Coast alongside Lucy Stanhope, Alice Kinsella, Kelly Simm and Taeja James.

[30] Fenton was again selected to represent England at the Commonwealth Games and went on to win team gold alongside Ondine Achampong, Claudia Fragapane, Alice Kinsella, and Kelly Simm.

[36] During the team final Fenton competed on uneven bars and balance beam, helping Great Britain win the silver medal and achieve their highest placement at a World Championships.

[39] Fenton was named to the team to compete at the upcoming European Championships alongside Becky Downie, Ondine Achampong, Jessica Gadirova, and Alice Kinsella.

[41] In September Fenton was selected to represent Great Britain at the 2023 World Championships alongside Gadirova, Kinsella, Achampong, and Ruby Evans.

During the team final Fenton contributed scores on uneven bars and balance beam towards Great Britain's sixth place finish.

[46] Fenton was named to the European Championships team, alongside Ondine Achampong (later replaced by Abigail Martin), Alice Kinsella, Ruby Evans, and Becky Downie.

[47] While there she helped the team win silver behind Italy and individually she won bronze on the uneven bars behind Alice D'Amato and Elisa Iorio.

In June Fenton was selected to represent Great Britain at the 2024 Summer Olympics alongside Downie, Evans, Kinsella, and Martin.