Before switching to cycling, Marchant represented Great Britain in heptathlon at the 2012 World Junior Championships in Barcelona, Spain. She trained with Olympic gold medallist Jessica Ennis-Hill at the English Institute of Sport Sheffield. Marchant credits Ennis-Hill for teaching her valuable lessons about being both an athlete and a person.

Transition to Cycling

Minichiello's observations led him to inform former British Cycling coach Matt Parker about Marchant's capabilities. Parker encouraged her to take up cycling, marking the beginning of her new sporting chapter. Since then, Marchant has dedicated herself to excelling in this sport.

Personal Interests and Business Ventures

Outside of her athletic career, Marchant enjoys baking and horse riding. She runs a cake-making business called 'Katy's Cake Kitchen' in Leeds. Her passion for baking is evident through her social media profiles, where she shares her creations and business updates.

Inspirations and Idols

Marchant looks up to British heptathlete Jessica Ennis-Hill as her hero. Ennis-Hill's influence on Marchant's career is profound, given their time training together and the inspiration she provided.

As of July 2024, Katy Marchant continues to balance her athletic pursuits with her business endeavours. Her journey from heptathlon to cycling showcases her adaptability and dedication to sports.