[3] She won three gold and two silver medals at the 2024 Summer Paralympics in Paris, making her ParalympicsGB's most successful athlete at the Games.
[8] In August she competed in the 200 m freestyle S14 in the Commonwealth Games in Birmingham, finishing fourth behind England teammates Jessica-Jane Applegate and Louise Fiddes, with Northern Irish competitor Bethany Firth taking gold.
[9] Maskill rounded out a successful first senior year at the British Para-Swimming Winter National Meet in November.
She won three gold medals: in the 100 m butterfly S14,[13] 100 m backstroke S14,[14] and mixed 4x100 m freestyle relay S14 (alongside William Ellard, Rhys Darbey and Olivia Newman-Baronius).
[15] She additionally set a world record in the 100 m butterfly S14 final; her medal in this event was also Great Britain's first gold of the Games.
[4] In recognition of this, she was given the honour – alongside para-taekwondo gold medallist Matt Bush – of being a GB flagbearer at the Paralympics Closing Ceremony.