Crowhurst was born with autosomal dominant congenital nystagmus and cataracts with Anterior Segment Developmental Anomalies (ASDA) with ectopia pupillae and Zonular weakness.

[22] In March 2016 at the British Para International meet Crowhurst made it through to 4 finals with her best result being in the Women's MC 100m back in 11th place overall.

[23][24] Crowhurst was able to bring this event on further by taking the bronze medal in the Women's MC 100m backstroke at the ASA English National Summer Championships 2016 held at Ponds Forge Sheffield, England - aged just 12 years old.

[26] On 14 January 2018 at the Berkshire and South Buckinghamshire County Swimming Championships Crowhurst broke the long-standing British Long Course record for the Women's SM13 400m Individual Medley.

[29] At the Swim England National Summer Meet 2018 at 14 years old Crowhurst put on an outstanding performance to claim a Women's MC medal on every night of the 5 day competition.

[36] Crowhurst would remain on British Para Swimmings World Class Podium Potential Squad for a further two seasons until December 2021 where She chose to switch focus to Paratriathlon.

[37] On 27 January 2019 Crowhurst set the Women's S13 Long Course 1500m freestyle British record At the Berkshire and South Buckinghamshire County Swimming Championships.

[7][8][9] In December 2019 Crowhurst was named as part of Great Britain's selected team for the forthcoming World Para Swimming European Championships due to be held in Madeira 17th to 23 May 2020.

The then British Para-Swimming National Performance Director Chris Furber said: "Taking a small team to the open Europeans was a difficult decision, but the right one given the current restrictions in place and the limited training opportunities for a large part of our pathway athletes.

During the Global Coronavirus Pandemic Crowhurst had found her access to swimming pools restricted and had to find alternative ways to maintain training.

[54] Crowhurst and Siddall emerged first out of the water in the Women's PTVI race and after a gruelling cycle and run on one of the hottest days of the Summer they finished a respectful second place.

On 11 September 2021 Crowhurst raced the British Super Sprint Championships at Mallory Park with Grace France as her Guide; the pair finished 1st in the Women's PTVI category.

[58][59][6] In December 2021 Crowhurst decided to step down from British Para Swimming's World Class Programmes to concentrate on Paratriathlon leading into the Paris 2024 Paralympic Games.

[68][69] Just 6 days after the Commonwealth Games on 6 August 2022 Crowhurst competed at the World Triathlon Para Series event in Swansea guided by Grace France (Hawthorne).

[65] Crowhurst and France put on a dramatic sprint finish on the run to overtake Tuomela and Skaug to take World Series silver.