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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 2025, we will be climbing 2,228 metres above sea level to reach Australia’s highest point to help RCA.

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.

Thank you to our Sponsors

$250

Ricky

$250

Ricky

$106

Nick M

Go Eduardo!

$106

Nick Berezovsky

Nice work Rowan! Good luck on the climb and I hope you get great weather!

$106

Kirsty Herlihy

Go Eduardo & Rowan!!!!

$106

Jessica Diep

Have fun :)

$106

Steph

Remember Rowan - it’s not a competition. Have a great walk! 😄

$104

Melissa Riley

Proud of you!

$100

Karthik Margabandu

Good luck Eduardo and Rowan! Enjoy the climb and hope the weather is good.

$75

Simon R

Go son - thank you for representing again on this amazing cause - cheering for you!

$75

Simon R

Good on you Rowan - thanks for representing on this amazing cause!

$54

Nick Allan

Best of luck Rowan!

$54

Rory

Every year - Great cause 👏

$54

Sindhuja

$54

Shoshana Broyda

Good luck!

$54

Jan Amoyo

Goodluck!

$53

Vishal Kapoor

Go Eduardo

$53

Vishal Kapoor

Go Rowan!

$50

Eduardo Rodrigues

$50

Kirsten Mann

Go Eduardo

$38

Anonymous

$37

Anonymous

$35

Roger Liu

$35

Chelsea Xu

Go Eduardo and Rowan! Wishing you a pleasant weather up in Kosi. Enjoy every minute of it!

$35

Anonymous

$12

C O

Go RoRo!