She was the alternate for the Canadian team skipped by Jocelyn Peterman at the 2012 World Junior Curling Championships where they also lost in the tiebreaker.
Team Scotland also got to compete at the 2017 Canadian Olympic Curling Pre-Trials where they lost in the quarterfinal to Julie Tippin.
The team consisted of Walker at skip, Kate Cameron at third, Taylor McDonald at second and Scotland playing lead.
They competed in two Grand Slam of Curling events where they missed the playoffs at both the Tour Challenge Tier 2 and the Canadian Open.
Team Walker represented Alberta at the 2020 Scotties Tournament of Hearts where they finished with a 3–4 record, missing the playoffs.
[8] In just their second event of the 2021–22 season, Team Walker reached the final of the 2021 Alberta Curling Series: Saville Shoot-Out where they were defeated by Kim Eun-jung.
[9] Due to the pandemic, the qualification process for the 2021 Canadian Olympic Curling Trials had to be modified to qualify enough teams for the championship.
After being defeated by Brown in the first game, Team Walker won the second tiebreaker to secure their spot at the Olympic Trials.
At the 2022 Scotties Tournament of Hearts, the team could not replicate their success from 2021, finishing the round robin with a 3–5 record and missing the playoffs.