This event is closed to general public
If you have been given an entry code please validate it below.
If you have been given an entry code please validate it below.
The Kosi Challenge is Rare Cancers Australia’s (RCA) major fundraising event. 2026 marks the 14th year of Kosi.
Your donation will make a difference. All donations are tax-deductible.
If you have any questions about the Kosi Challenge or RCA, please contact us.
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