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  • About
    • What is the Kosi Challenge
    • Where does the money go
    • Where it all began
  • In Honour
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    • Leaderboards
    • Earn badges and glory
    • Fundraising tips to help you reach your peak
    • FAQ
    • Your resources
  • Need to Know
    • Getting to the Summit
    • Getting to Kosi
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The Kosi Challenge is Rare Cancers Australia’s (RCA) major fundraising event. 2025 marks the 13th year of the Rare Cancers Australia, Kosi Challenge.

Your donation will change lives. It will help patients of today. All donations over $2.00 are tax-deductible.

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If you have any questions about the Kosi Challenge or RCA, please contact us.

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Kosi Challenge

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