Martin Tanudjaja

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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.

My achievements

First donation received

Raised 50% of your target!

Raised 75% of your target!

Page personalised

First blog post published

Page shared

Target increased

Target reached

Challenge conqueror!

Thank you to my sponsors

$106.12

Alex Orfanos

$106.12

Creative Advocacy Solutions

Matched donation by Creative Advocacy Solutions ⚡️

$106.12

John And Michie

Good luck Martin!!

$106.12

Lovedays

All the way to the top

$106.12

Theo

You can do it!

$106.12

Creative Advocacy Solutions

Matched donation by Creative Advocacy Solutions ⚡️

$100

Cameron Jeong

$54.12

Uncle Soon And Ee Pipin

Go go

$54.12

Katherine Poulter

Woop go Martin!

$54.12

Creative Advocacy Solutions

Matched donation by Creative Advocacy Solutions ⚡️

$54.12

Adam Poole

$54.12

Yvette

Goodluck on your hike, Martin!

$54.12

Valerie

See you at the top!

$54.12

Daniel Vu

Nice one Martin!

$54.12

Creative Advocacy Solutions

Matched donation by Creative Advocacy Solutions ⚡️

$54.12

Kathleen Donnelly

$54.12

Natalie Mccormack

Good Luck Martin!!

$54.12

Erica And Dan

Great cause!

$52.92

Sauliana Lie

$52.92

Creative Advocacy Solutions

Matched donation by Creative Advocacy Solutions ⚡️

$50

Liliana V Tanudjaja

$50

Bernard S

Woo you got this!!

$25

Phyllis Kung

Go Martin! So proud of you ❤️

$25

Alex Roach

$22.58

Lydia Soon