He is the son of former Formula 1 team principal Tom Walkinshaw.

Walkinshaw made his debut in Super GT in 2017 with Autobacs Racing Team Aguri alongside Shinichi Takagi.

[2] In 2019, Walkinshaw moved to Team Thailand to race alongside Nattapong Horthongkum.

[3] Walkinshaw returned to the team, for the last three rounds of the 2020 season alongside Mathias Beche.

In 2023, Walkinshaw returned to Japan, competing in Super Taikyu with Hitotsuyama Racing.