Alexion & AZscends

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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

$1.04k

Anonymous

$528

Ane Group Pty Limited

Good luck Zach! From the team and ANE Group.

$500

Creative Advocacy Solutions

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$500

Anonymous

$500

Creative Advocacy Solutions

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$375

Sarah Clucas

The wine better be good! It’s a pleasure contributing to such an important cause

$369

Anonymous

$369

Dan Cleary

Go Luke!!

$369

Ramin Mohebbi

Dear Luke Many thanks for taking the cosi challenge for such a great cause Warm regards Ramin

$361

Marie Guillet

$300

D Brown

Charity auction :- David, Preet, Andrew and Ben.

$272

Clare Di Leva

$264

Pradhuman Lal

$264

Creative Advocacy Solutions

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$264

Anonymous

$264

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$264

Rebecca Stratford

Let’s go!

$264

Lynn O'meara

$264

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$264

Jimmy Cooper

Happy to support you beautiful humans ❤️ ❤️❤️

$264

Broadfoots

Good luck!

$264

Trent Zimmerman

Go team Alexion!

$264

Creative Advocacy Solutions

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$264

Josephine Emanuel

$264

Peter And Beryl

Good luck, focus on the end celebrations

$250

Anonymous

$250

Creative Advocacy Solutions

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$250

Rowdy

$250

Scotty Emanuel

$250

Tania Marczenko

Go Luke & AZ!

$250

Creative Advocacy Solutions

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$250

Anonymous

$250

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$250

Anonymous

$250

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$211

Anonymous

$211

Elpidio Catabay

$211

Cath Kelly

Go Ms Jacqui Brain.....

$211

Pauline Evans

‘Girl’ power! Go Caitlin and Clare

$211

Anonymous

$211

Harry Stulajter

$204

Chris W

Great cause. Have fun!

$200

Anonymous

$200

Creative Advocacy Solutions

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$185

Stephanie Killer

Good luck and enjoy this challenge for a fantastic cause. All our love Goosey, Pops and Sophie xxx

$158

Dani Trifunovic

Go Faraz!!

$158

Diana Nielson

$150

Glen Manser

Good Luck Mez

$120

Anonymous

$111

Nicole Gaupset

$106

Creative Advocacy Solutions

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$106

Kase

Happy walking Luke and Jamie! Amazing 8 years, love you guys xx

$106

Connor O'meara

$106

Creative Advocacy Solutions

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$106

Connor O'meara

$106

Creative Advocacy Solutions

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$106

Maggie Kiani

Go team!!

$106

Creative Advocacy Solutions

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$106

Pradhuman Lal

$106

Trent Zimmerman

Go Bron!

$106

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$106

Tao Wang

Many small things add up to something great

$106

Leisa Wilson

Dot would be very proud 🫶🏼🥰😘

$106

Liz Nielson

Good luck Di!

$106

Mathew Smith

Best of luck team. Great cause, well done!

$106

Tatum O'meara

Go you good thing!!!

$106

Anonymous

$106

Safaa Cabot

All the best habibi

$106

Ben

chur bruh

$106

Kostas Iconomou

$106

Ollie, Rach And Poppy Mathias

Goooo Mum!! Great cause xx

$106

Babita Hanel

Go team!!

$106

Roger And Mandy

Go fast Luke ,& Jamie.

$106

Creative Advocacy Solutions

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$106

Creative Advocacy Solutions

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$106

Rod Walmsley

All the best with this year’s climb

$106

Creative Advocacy Solutions

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$106

Rowan Stewart

Amazing Didi. Awesome trek. You go!!!!

$106

The Warsons

Go Stratties! The Warsons are right behind you (on the lounge, but there in spirit).

$106

Thrums

Good on you and good luck!

$106

Carmel Sexton

Go Team Stratford. One day we’ll do this with you Xx

$106

April O'neil

Go Bec!

$106

Danijel

$106

Creative Advocacy Solutions

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$106

Michael Lillico

$106

Creative Advocacy Solutions

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$106

Rita & Wayne Duffy

Good Luck Kate and Glen have a great time. 😊

$106

Kathleen Bruce

Good luck you wonderful guys🥰

$106

Keri Sheraton

Wonderful cause! Well done, Kate and Glenn. ❤️

$106

Ben Wicks

Go Di! Love Ben, Kris, Liv, Josie and Pat

$106

Maolin Shi

❤️

$106

Jeff King

$106

Elizabeth Varela

Your good deeds might seem invisible, but they leave a trail that is imprinted on the hearts of others. Love and kindness are never wasted. Keep doing your best

$106

Oonj

You got this !!

$106

Edwina Ling

Go Team AZscends!

$106

Creative Advocacy Solutions

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$106

Fi And Luke Anderson

Go mum!

$106

Diana Nielson

$106

Ben & Shrinkhala

$106

Creative Advocacy Solutions

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$106

Mount Eliza

Mount Eliza crew

$106

Simone Creagh

You’ve done it again ! X

$106

Daniela

$106

Hala & Morty

Go Leila !!

$106

Creative Advocacy Solutions

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$106

Gilly Blacket

$106

Lai

Go the A Team!

$106

Nav

$106

Sadie Rossi

Awesome Didi! Xx

$106

Okie

$106

Sally Xx

Go Jacq! Xx

$106

Anonymous

Good luck bro Jepoy

$106

Luke Mannix

$106

Creative Advocacy Solutions

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$106

Natalie Miles

Good luck Kirst and Gracie

$106

Emma Hope

Go Team!!!! Hope to join you on the mountain next year!!

$106

Creative Advocacy Solutions

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$106

Kate Cooke

GOOD LUCK!! You and the team are going to smash it!

$106

Anonymous

$106

Creative Advocacy Solutions

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$106

Jen Walmsley

$106

Creative Advocacy Solutions

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$106

Tara

YOU GO GIRL xxx

$106

Erin Senzio

“Such an amazing thing to do Kate, Glenn, Zach & Beth. This cause is very close to our hearts after losing family members to cancer. Cheering you on all the way 💛” Love The Senzio’s

$106

Anonymous

$106

Anonymous

$106

Damoulakis

Good luck and all the very best on your challenge

$104

Robert Holloway

Super proud of you. Love Dad and Kelly

$104

Heidi Crowe

$101

Cathryn Kelly

$100

Toop Family

$100

Creative Advocacy Solutions

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$100

Angela Brain

$100

Patrick O Connell

$100

Creative Advocacy Solutions

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$100

Anonymous

$100

Creative Advocacy Solutions

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$100

Anonymous

$100

Adeline Lim

Go Nicole! (and poor Greg...!).

$100

Creative Advocacy Solutions

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$100

Adeline Lim

Kosi, Kosi, Kosi - Oi, Oi, Oi!

$100

Creative Advocacy Solutions

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$100

Adeline Lim

All the best Leila, don't trip up Rachel on the way to the summit.

$100

Creative Advocacy Solutions

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$100

Tom Tutone

Great work

$100

Creative Advocacy Solutions

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$100

Duncan D-t

Great cause - good luck Tanya!

$100

Nick & Juliet Vargas

Go Jepoy Go!!!!!

$100

Adeline Lim

$100

Vicki Caesar

You go girlfriend🥰

$100

Sandra Mulligan

Go Team ALEXION RARE DISORDERS. Admiring you and cheering for you. Well done to those who have done it multiple times!!

$81

Calibre Painting

$80

Anonymous

Go Steve!

$80

Creative Advocacy Solutions

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$75

Anonymous

For April, In dear Lachie's memory

$70

Beencke Family

Go T and Matt (he's gonna need an oxygen mask!)

$0

Rebecca Stratford

$64

Kate Bruce

$54

Creative Advocacy Solutions

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$54

Fiona

Enjoy the walk and well done on another year!

$54

Linda

Go Tanya !!

$54

Ali Dignan

Good Luck Didi

$54

Julie

Good luck. Enjoy

$54

Norman Andersen

Thank you for making such a big difference ladies xx

$54

Philippa Barton

$54

Barbara Souster

$54

Creative Advocacy Solutions

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$54

Leah Goodman

Proud of you.

$54

Prachi

Good luck Steve and Alexion/AZ crew! Let’s go!

$54

Creative Advocacy Solutions

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$54

Jenny Shin

Fighting Dorothy!! You got this!!💪❤️

$54

Elizabeth Hinchon

Cheering you on, Bec & family!

$54

Creative Advocacy Solutions

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$54

Mike Lin

$54

Georgina

See you on the mountain KB

$54

Sharon Leadbitter

Well done!

$54

Claire Symons

$54

Lisa Riedl

Can you please plant a NZ flag on the top for me when you get there? 😉

$54

Sim Campbell

Go Nic!

$54

Lil Ruddy

Have fun Didi X

$54

Noy/cathy

Go go go Mareng Sis Jing!!

$54

Henry, Phoebe & Patch

Go team!

$54

Brad

Well done Kate and Glenn for taking this on!

$54

Chris Iconomou

$54

Anneline Marais

All of the best to you all for climbing for rare!!!

$54

Creative Advocacy Solutions

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$54

Creative Advocacy Solutions

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$54

Gaye

Enjoy this beautiful trek for a great cause.

$54

Michelle Ginman

Such a worthy cause! Well done to both of you x

$54

Rosalind Crosbie-berent

Hey Kirsty, we haven’t spoken in ages. Well done for your and Gracie honouring your Mum and Uncle in such a fantastic way - go girls !!!!

$54

Mum And Dad

From Mum and Dad

$54

Thao Le

$54

Anonymous

Enjoy the walk and you are both so awesome

$54

Creative Advocacy Solutions

Matched donation by Creative Advocacy Solutions ⚡️

$54

Sam Wilson

$54

Jackie Brown

Go Kate 🙌

$54

Molina Sitinjak

$54

Gary & Brian Rosevear

Wishing you & Glenn well on this wonderful challenge. ♥️

$54

Eyre Fam

$54

Bansi Sanghvi

$54

Bevan

Good luck on the day!

$54

Creative Advocacy Solutions

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$54

Shane Bunyan

$54

Rp

$54

Anonymous

$54

Cath Fry

Well done Kirst and Gracie!

$54

Natalie Chan

Go Team!!! Wishing you all the best for Kosi.

$54

Jock T

$54

Creative Advocacy Solutions

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$54

David O'meara

$54

Creative Advocacy Solutions

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$54

Anka Baric

Goooo Didi, you’re amazing!! All the best for the big day xxx

$54

Sarah Borrell

Go Nic!! ❤️

$54

Alistair Graham

$54

Craig

great cause

$54

Kieran Bowles

Way to go! Love what you’re doing!!

$54

Barbara Nielson

A little donation to help.

$54

Margaret Chapman

Be thinking of both of you this weekend. Lots of love. Granny xxx

$54

Bettina Groves

$54

David Grant

Mt Everest is next

$54

Daniela Erakovic

Your dedication is amazing!

$54

Lori

Love you big Cuzs ❤️

$54

Richard Zhang

$54

Anonymous

$54

Dianne Colledge

Great work participating for another year!! Well done on your commitment to the cause!! Xxdi

$54

Lisa O’brien

♥️

$54

Kaye & Terry Robins

Team Bruce can conquer any challenge together!

$54

Rae Tai

All the best Bec and family!

$54

Tanya Holloway

$54

Sharon T

Good luck

$54

Vt

$54

Alice Shin

$54

Lorraine

Good luck

$54

Nic

$54

Lorraine

Good luck

$54

Anonymous

Enjoy the view at the top!❤️

$54

Lynne

Good on you girls, will be supporting you

$54

Danfort Pty. Ltd

$54

Joanna Hamilton

$54

Bek

$54

Rachelle Claudio

Way to go Clare and Caitlin!

$54

Edo&chona

$54

Joanna Hamilton

$54

Narelle Clarke

$54

The Tickners

$54

Kate B

Good on you Nic , walk well for a great cause

$54

Megan Jung

💪💪💪

$54

Scott Clarke

Go Cuz

$54

Amisha Govind

$54

Rachael Anderson

Go Team Stratford! It's awesome that you're doing this for the fourth year

$54

Mel

So proud of you ❤️

$54

Peter Johnston

$54

Kerrie Blumson

Go Team!!

$54

Anonymous

$54

Lynnette Zappia

Well done Zachy!

$54

Kelvin

Go bro!!

$54

Di Beae

Go Nic

$54

Amisha Govind

$54

Creative Advocacy Solutions

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$54

Catherine Cho

$54

Creative Advocacy Solutions

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$54

Sharon Tutone

Good luck

$54

Creative Advocacy Solutions

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$54

Amisha Govind

$54

Roxanne P

We’re so proud of you!

$54

Helen Grace Ricafort

We are with you sis Glads -DanHelen

$54

Anonymous

$54

Creative Advocacy Solutions

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$54

An Ho

$54

Hyconth De Silva

$54

Tricia Tenison

$54

Selina

Go Gladys!

$54

Emma Hope

Go Mel!!

$54

Niki Jozefowicz

$54

Julie Van Weelderen

Very proud of your determination and support for others

$54

Cooper Smith

$54

Yvonne Lee

Good luck Caitlin and Clare!

$54

Anonymous

$54

Jackson

$54

Emma Warren

Go Bec and family. A great cause

$54

Ian Lee

$54

Tracy&jp

$54

April O'neil

Go Tanya!

$54

Hycinth De Silva

Good luck with the climb Gladys!!

$54

Karen Fontaine

Cheering you on! xx

$54

Jing Yabut

Thanks for supporting this cause, Hon!

$54

Jenifer Dunlop

Enjoy the climb!

$53

Suzana Josavac

We are proud of you Jamie! Wishing you all the best!! 🤗😘

$53

Fern Cicciari

Good on you guys, a great cause.

$53

Amy Militano

Go Team!!! Will be cheering you all on!

$53

Creative Advocacy Solutions

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$53

Adeline Lim

All the best Faraz

$53

Creative Advocacy Solutions

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$53

Sofey Murphy

Fantastic cause guys! Good luck with the climb xx

$53

Steph Luk

Woo! Go Dorothy!

$53

Creative Advocacy Solutions

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$50

Adeline Lim

Higher and higher Leila!

$50

Phil Maddren

Good luck Team AZ & Alexion

$50

Adeline Lim

All the best Richard. Don't try to eat or cook everything you see on the way up!

$50

Catherine Maxa

$50

Creative Advocacy Solutions

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$50

Adeline Lim

$50

Anthony Tuting

Go team!

$50

Princess Lee

화이팅🫶🏻

$50

Margaret Park

$50

Sarah Latimore

$50

Magdaline Mburuja

Cheering you all on!

$50

Creative Advocacy Solutions

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$50

Jhe C

Cheering you on Sis Glads!

$50

Dee M

Let’s go

$50

Jacqui Brain

$50

Nic Barnett

Such an amazing cause. Enjoy the climb!

$50

Dorothy Kim

$50

Maria Allart

Great cause!!! Well done Kirsty and Gracie!

$50

Amdg Ong

Go go go sis!!!

$50

Amdg Ong

Go go go Bro!!!

$50

Jenny

Go go go!!!

$50

Creative Advocacy Solutions

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$50

Penny Ross

Way to go Jamie!!

$50

Rae-anne Hardie

Have fun hiking!!

$50

Creative Advocacy Solutions

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$50

Adeline Lim

All the best Leah!

$50

Creative Advocacy Solutions

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$50

Mia Nielsen

Good luck Mel!!

$50

Magdaline Mburuja

Go Dorothy!!!!! 😄

$50

Creative Advocacy Solutions

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$50

Anonymous

$50

Mercy Jinahon

$49

Birgit

Such a great cause! Lots of energy, sunshine and fun! Go Leila!

$45

Kirsty Chapman

$38

L Chen

Ganbatte

$38

Lizzie Delarue

Love that you do this every year. Well done on already hitting your target !!!

$38

Creative Advocacy Solutions

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$38

Queennie Paz

$38

Anonymous

$38

Amy Bennett

Your F45 family loves you! A great cause, well done x

$38

Areti

$38

Frankie And Barry Manning

Good luck, proud of you for doing it. Lots of love Frankie and Barry x

$38

Marita & Brett Turner

Well done!

$38

Rika

Dear Penelope & Luke, You've got this !!! Wishing you both the best to reach the goal 💕💖💓

$38

Michaela Toohey

Good on you Kate

$38

Anonymous

$38

Penny

Go hard Didi. Xx Grannies can everything!!!!

$38

Suzanne Horsley

Go you good thing!

$38

Steve Killer

Is Dubu joining us? ;)

$38

Creative Advocacy Solutions

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$38

Alex Best

Good luck!

$38

Jessica Shi

$38

Dens & Ems Pasamanero

All the best Mareng Gladz

$38

Bish Boshbash

Climb dat thang. Bish bosh bash

$38

Gail

Great Cause

$38

Mahsa Solomons

Good Luck Leila Joon. You're amazing!

$38

Teresa Goncalves

Go Bec and family! Sending you and the RCA all our support and energy for the Kosi challenge! Enjoy the journey and the view from the top! May the legs be strong and the memories unforgettable. Teresa Goncalves

$37

Josh W

🫶🫶

$35

Hazel H

$35

Brianna Wilson

Proud of you! 🫶🏻

$35

Lee

$35

Josh Jolly

Good luck Caitlin and Clare!

$35

David Eliovson

Good on ya mate

$35

Courtney Kulinski

Good luck Steve! You will absolutely smash it

$35

Dw

All the best Leila! Cheering you on from afar! x

$35

Ceri Delamont

$35

Ceri Delamont

$35

Anonymous

This is a great challenge! How wonderful to do it together as Mum & Daughter too.

$35

Anonymous

$35

Creative Advocacy Solutions

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$35

Anonymous

$35

Creative Advocacy Solutions

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$33

Josh Roberts

You’re so cute x

$33

Mark Turner

Great job, guys!

$33

Aoifeleoniexo

Best of luck beautiful ❤️ what an amazing thing to do. So proud of you Leah, lots of love , Aoife xx

$30

Kyla Shannon

Slay guys x

$28

Anonymous

$28

Christine Byrne

Good luck Didi! Hope it’s amazing, great cause

$28

Anonymous

You got this!

$28

Anonymous

You got this!

$28

Kellie Franken

Well done Leah! Great cause and look forward to seeing you on the mountain

$28

Anonymous

You got this!

$28

Anonymous

You got this!

$28

Anonymous

You got this!

$28

Anonymous

You got this daddy Jefferson!

$28

Mary Iconomou

$28

Creative Advocacy Solutions

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$28

Leah Connolly

$28

Creative Advocacy Solutions

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$28

Jenny High

Kosi, Kosi, Kosi - Oi! Oi! Oi!

$28

Alastair Lawson

Thanks for the great work mate.

$28

Simo Fedolfi

Go Faraz! 😊

$28

Bronwyn Fitzgerald

$28

Creative Advocacy Solutions

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$25

Bronwyn Fitzgerald

$25

Creative Advocacy Solutions

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$25

Emma Rolley

Happy hiking and adventures Didi and for a great cause to solve cancer Xx

$25

Anonymous

$25

Creative Advocacy Solutions

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$23

Nanette Reason

Well Done!!! They would be very proud

$23

Madonna Chambers

Congratulations Kirt & Gracie on your efforts for a very worthy cause. Enjoy 🥰🥰

$23

Leasa

Good luck guys

$23

Julie Harbert

Great work Pip xx

$23

Connor O

$23

Sal Shepherd

Way to go Nic

$23

Leah Connolly

See you at the top Bron!

$23

Creative Advocacy Solutions

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$23

Marisa Malcolm

Go you!! X

$23

Louise Myers

Way to go guys! 🫶🏻

$23

Jackie Yabut

$23

Aunty Mere

Go you good things 😘

$23

Anonymous

$23

Rona Joseph

$22

Miles Howie

😘

$20

Niesha Davis

$20

Jordan Snir

Great cause - well done Luke and team

$20

Creative Advocacy Solutions

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$20

Peta Roberts

Get it girls!!!

$20

Kim And Clinton

$20

Anonymous

$17

Renee

Well done girls

$12

Sue Goodward

❤️

$12

Tiffany Chapman

🩷

$12

Elliot Souster

$10

Tina

Good luck with the climb! You can do it!