The pair have set a target of walking one million combined steps in October to raise money for melanoma research.

12-year-old Will is a Year 6 student at Lake Albert Public School and Ms Spry is an educator at the school's out of hours care.

They will both need to take 17,000 steps each day.

"It started because I go on 10 kilometre walks and the kids like to see how many steps I've done in a day," Ms Spry said.

Will celebrated his birthday just last week and was given a watch that could track his exercise.

He and Ms Spry were originally planning to challenge each other to see who could get the most steps.

"It just kind of snowballed from there. We thought, 'Why don't we set a challenge' [and] raise money while we're going?'," Ms Spry said.

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"Everyone's missed out on fundraising efforts [with COVID-19]. So we chose a charity and here we are."

Will said he was confident he could make it to 500,000 steps.

"My dad goes for runs through the week, so I'll probably run with him," he said.

"I feel pretty nervous at times. But then pretty good. I feel like I can do it ... all sorts of feelings."

Ms Spry's colleague Moo Hubbard is an administrative assistant at the Amie St Clair Melanoma wing of Melanoma Institute Australia and suggested they raise funds for the charity.

Formerly known as the Amie St Clair Melanoma Trust, the organisation is dedicated to melanoma research in memory of Wagga woman Amie St Clair, who died with Melanoma in 2009 at the age of just 23.

Ms Hubbard said the funds raised by Will and Ms Spry would go towards bringing drug trials to Wagga and supporting the work of a free full-time melanoma care nurse who cares for local families.

"We'll be right. We'll just keep walking," Ms Spry said.

If you are interested in donating to the fundraiser you can do so here: https://www.gofundme.com/f/a-million-steps-for-melanoma