[1][2] In 2016, Walker decided to switch to Bobsleigh because she had set herself the goal of participating in the Olympics and had doubts about qualifying as a Track and Field athlete.

Sliding Sports Australia (SSA) took Walker to the national team after attending a talent camp.

[5] In October 2016, she completed a self-financed training course to become a bobsleigh pilot at the Whistler Sliding Center in Canada.

[7] Due to the COVID-19 pandemic and Australia's strict quarantine regulations, Walker made the decision to stay in Germany after the 2019/20 season to continue her training.

[verification needed] At the Beijing Olympic Winter Games 2022, she placed 5th in the Women's Monobob Event.