Rachel Lewis

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I am climbing in memory of my sister Danie

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

$270

Rachel Lewis

$140.32

Anonymous

Humble pie

$106.12

The Ellis Family

We love you Aunty Rach and are very proud of you!

$106.12

Holly A

$106.12

Lorena F

$106.12

Jake Lacayo

Inspiring Rachel! Supporting you from LA.

$100

Gaile Croarken

What a great way to honour your sister & help fund assistance for other people in the future. Go Rach!

$54.12

Pat Kerr

Good Rachel have a great day

$54.12

Jen S

$54.12

Cathy Chen

Rachel, go go go! You inspire us to remember the purpose of our work: time is life and patients are waiting! YTW, our families did this back 2024, and we might already meet on the mountain without recognizing each other!

$54.12

Veronica Rivas

Go Rachel! Thank you for inspiring us. Cheers from New Jersey

$54.12

Anne Amoroso

Good luck, Rach! Miss you and thinking of your dear sister. I’m so sorry you lost her 🩷 Sending love to you and your family! xox

$50

Adam Berlowski

Inspiring as always! Enjoy the walk.

$38.33

Craig Stevenson

Best of luck - great cause

$27.81

Jessica K Preston

Wishing you all the best on the day!! You’ve got this!!