University of Stirling
Cassie made her Commonwealth Games debut for Team Scotland at Gold Coast 2018, reaching the final and finishing 5th in the 50m Backstroke. She returned for a second Games at Birmingham 2022, finishing seventh in the 200m Backstroke and just missing a place in the 100m Backstroke final as first reserve.
She was a double finalist at the World Championships in 2017, finishing 6th and 7th in the 50m and 100m Backstroke respectively and also represented Great Britain at the 2018 European Championships. 2021 has been a stand out year for Cassie, lowering her personal bests in all three Backstroke events and winning silver in the 200m Backstroke at the European Championships in Budapest. She also swam the heats for the gold medal winning 4x100m Medley Relay team. She made her Olympic debut at Tokyo 2020 where she reached the semi-finals of the 100m Backstroke.