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We're fundraising for...

I am climbing for rare.

The Kosi Challenge is the single signature fundraiserfor Rare Cancers Australia (RCA), with the sole purpose of raising awareness and much needed funds for people across Australia impacted by rare and less common cancers.

In March 2026, I'll be climbing with hundreds of others, in support of rare, in memory of and with those living with rare themself – together we are a community and Kosi unites us all!

All funds raised through the Kosi Challenge goes directly towards funding the individualised, 360 degree person centred support that RCA’s team of specialist cancer navigators provide for patients, carers and their families.

Thank you so much for your support – now can I get a ‘Kosi, Kosi, Kosi – Oi,Oi,Oi!’

P.S RCA is a Federal Government-classified Health Promotion Charity. All donations are fully tax deductible.

Thank you to our Sponsors

$106

Cathy Johns

Good luck Jake. Great cause. 💕

$106

Gary Johns

Go jakey boy

$106

Juliann And Merv

Look forward to following your climb Jake. Great cause. ❤️ you. X

$101

Roxy Gendel

$100

Melanie Chamaux

$100

Gabriella Mifsud

$100

Jake Johns

$100

Jeremy Arcifa

Proud!!

$54

Gianfranco Parlato

Get strong my dear (running) friend. All the best. Amicalement, Gianfranco

$54

Anika Mifsud

Woohoo! Go girl!

$54

Renee Siford

So proud of you sis!

$54

Claire

So proud of you Jake and Chloe would be as well.. Thank you for remembering and doing this climb in Chloe's memory. Love and kindness sent to you 🩷🌈xxx

$54

Danni Johns

$38

Mariia Gliebova

Supporting you!

$38

Zooba