The 41-year-old, who has worked and volunteered for PetRescue for more than four years, said she was training hard for the run and was keen to raise as much as she could for animals in need.
"Every day, PetRescue puts pet seekers face-to-furry-face with thousands of rescue pets from shelters and rescue groups across WA and nationwide," Ms Baker, who has two rescue dogs of her own, said.
"It's a fantastic organisation and Im proud to support them.
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READ NOW"The run will be quite a challenge for me as Im not the athletic type but it's a small thing in comparison to the plight of the thousands of homeless pets in need across WA " I know every cent raised does help make a difference."
PetRescue's statistics show an estimated 80,000 pets will be adopted through the website this year.
However, around 25 per cent of dogs and 56 per cent of cats that enter Australian pounds and shelters are still killed because homes aren't found for them.
Funds Ms Baker raises through the August 30 event will go towards PetRescue’s Sweat for 500 Pets Challenge which will support over 800 rescue groups, pounds and shelters nationwide.
To donate, email info@petrescue.org.au or go to chevroncitytosurf2015.everydayhero.com/au/ PetRescue-runners.