She has been taking part in Redkite's Crunch 4 Kids with Cancer daily challenge since June 1 and will finish on June 20 - with friends and family joining her on Braxton's team, Wild.sol.

"I've committed to 20 crunches a day for the 20 days," Ms Lee said.

"It was basically to raise funds for Redkite and try and get the awareness out there of the support they provide and what they do for families with children facing childhood cancer."

Redkite, Australia's leading childhood cancer support organisation, provides essential financial backing for families, as well as funding music therapists and social workers in children's cancer wards.

Ms Lee said Redkite had been there from early in Braxton's cancer diagnosis and had provided grants to help meet the extra costs of chemotherapy treatment at the Royal Children's Hospital.

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The Horsham community also rallied around Braxton, 6, last year, by throwing a fundraiser which provided the family with $49,000.

A few of her family and friends have jumped on board the new challenge, with their main aim to raise awareness of Redkite.

A time when many people people are feeling the financial pinch of COVID-19 cutbacks Horsham has once-again thrown its support behind Braxton. The Wild.sol team has already passed its initial goal of $1000 and are well on the way to their next aim of $2000.

"My son, Braxton, was diagnosed with low-grade glioma on January last year, so I think it was about a week after he was diagnosed we had a visit from the social worker," Ms Lee said. "She brought in a Redkite bag and explained what they did and what they could provide for us."

Redkite offered an education grant of about $500 that went towards an ipad for Braxton to use for home schooling. They also offered up to $1500 a year to help with travel and living costs.

"We travelled probably the first four months into Braxton's treatment then actually relocated from Horsham to Melbourne," Ms Lee said.

The Horsham fundraiser helped the young family - which also includes Ms Lee's partner Jayden Clugston and their 7-month old son, Jimmy - cover additional living costs such as accommodation in Melbourne.

She said Braxton had six months of in-patient treatment at the Royal Children's last year and having the extra financial support from RedKite, including Coles vouchers, had been a big help.

The family moved back to Horsham at the end of April with the expectation that Braxton's treatment would finishing at the end of this year, but that changed this week.

"I've just got off the phone from the oncologist and we are now looking at potentially another 12 months of chemotherapy, so we're now looking at doing this until the end of next year," Ms Lee said. "It's hard, it's really hard."

She said Braxton was doing "OK" and that COVID-19-style isolation and restrictions had "pretty much been our lives for the last 12-18 months".

"We're very used to being isolated from people. We're very limited on what we can do, where we can go, depending on where Braxton is in his treatment," she said.

"He's missed out on quite a lot for the past 12 months.

"He's probably had about two weeks in total at school in the last 18 months. He's missed out on socialising with friends, seeing family in friends. Doing everything a typical six year old would be doing. He's missed out on a lot."