Rachel Lewis

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I am fundraising for my beloved sister Danielle Crossman, who lost her battle with a rare form of Thyroid Cancer at just 46 years old.

The Kosi Challenge is an annual event hosted by Rare Cancers Australia (RCA) to raise awareness and much-needed funds for Australians diagnosed with a rare, less common or complex cancer each year.

In March 2024, I will be climbing 2,228 metres above sea level to reach Australia’s highest point to help RCA. I’ll be joined by Dani’s daughters, husband, as well as my parents, siblings and cousins in what is now an annual family event to celebrate Dani.

One hundred per cent of funds raised through the Kosi Challenge goes towards the important work of RCA's Patient Support Team.

From helping patients to access specialists and treatments, through to delivering support groups, connecting people with services and providing financial assistance particularly in times of crisis, Patient Support is at the heart of what RCA does.

RCA is a Federal Government-classified Health Promotion Charity. All donations over AU $2 are fully tax deductible.

Thank you so much for your support.

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Thank you to my Sponsors


Rachel Lewis





You rock !!!! Am not sure I can be there this year but I will be thinking of you all and of all the ones that are not with us anymore xxx


Mel M

All the best to you and the family! You are all legends!


Gaile Croarken

Such an important cause, obviously very special to you & your family.


Mark Gibson



Am so sorry for the loss of your sister Rachel. No doubt your sister inspires you in your life and daily work! I hope that your memories bring you comfort and that you have a wonderful day when you climb Mt Kosciusko, together with your family. It sounds like an amazing way to honour your sister’s life, and also raise much needed funds. Thinking of you. April


Michelle Dutkiewicz

You are an amazing sister. Good on you! 😘❤️


Adeline Lim

Supporting you all the way to the top, Rachel.


Melissa Brookes


Adeline Lim

All the very best Rachel!


Lyn & Bill Ferguson

Good on you Rach !