We're fundraising in memory of Dani and Jason
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
$528
Rob Crossman
$528
Robert Russo
Supporting James, Hunter and Noah
$528
Fab Supplies
Get in!!!
$300
Michael Trad
Well done Seren, every step you take brings hope and makes a real difference.
$270
Rachel Lewis
$264
Lucie H
Amazing to witness how good things grow when great people keep turning up!
$264
Borz Shahsavand
Amazing effort Rob. Buy some good socks to avoid the blisters!
$264
Justine Murison
Go Mrs K, go!
$264
The Great Keelingski
$264
Your Beautiful Wife
$264
Your Favourite Mother
$264
Anonymous
$264
Your Favourite Daughter
$264
Ethan Lewis
$264
Garry And Robyn Browne
$250
Kathryn Joseph
Good luck for the climb Seren, great to see you supporting this worthy charity.
$211
Egita Tarabay
You go girl 😘
$200
N Khan
Seren your a Champ. This mountain is gonna be a slice of cake to you. You’re gonna eat it up! All my love Nedley
$158
Elena Sa
$158
Rkc Yette
Proud of you x
$158
Anonymous
$158
Rara And Ruby
Enjoy the weekend and getting to the peak once again 💕
$158
Creative Advocacy Solutions
Matched donation by Creative Advocacy Solutions ⚡️
$150
Bet Turgut
Good luck on the climb and all the best on your fundraising efforts! Love always, Teyze, Eniste, Dilan, Alisa and Lara xx
$150
Mohammed Jafar
$150
Nicole/justin
Love ya work. Love Nicole,Justin and kids
$140
Anonymous
Humble pie
$106
Alysha
$106
Wendy
Good luck Annie You are amazing for doing this. Love Wendy and Mike XX
$106
Natalie G
This is so beautiful. So proud of you!
$106
Simon Geerlings
Good work stay safe i hear it gets cold around there
$106
The Ellis Family
We love you Aunty Rach and are very proud of you!
$106
Jo
Go girl! So proud.
$106
Holly A
$106
Sangeeta
All the best Isha!!
$106
Jon
Good luck
$106
Jenny Albert
You go girl! Remember slow and steady wins the race. Xo
$106
Natalie
You're a Champion... so so proud of you ❤️
$106
Merinda Timpany
Go Rob!
$106
Peter Brooks
You are courageous taking on the challenge. Very worth cause.
$106
Nancy Griffiths
Will be walking every step with you Rob (metaphorically of course!)
$106
Kaz Marshall
5th year running! You're a bloody champ Rob!!
$106
Preetham Shiva Kumar
$106
Daddy
$106
Creative Advocacy Solutions
Matched donation by Creative Advocacy Solutions ⚡️
$106
Julian Neylan
$106
Anonymous
YOU GO GIRL!
$106
Bob Dobalina
Go you good thing!
$106
Anne Baskerville
$106
Jacqueline Crossman
With my love, Mum x
$106
Paula
Legend. 🙌
$106
Margaret Wilmott
Next year I might be able to complete challenge too🥰 xxx
$106
Gary And Anne Mckevett
Good luck Maria and Julian on your trek up the mountain for such a good cause.
$106
Sanjay Kumar
$106
Tu Tran
$106
Lorena F
$106
Annick Albert
$106
Jake Lacayo
Inspiring Rachel! Supporting you from LA.
$106
Mum And Dad
Super proud being your 5th year up Kosi
$106
Irene Hardie
Proud of you X
$106
Margaret Aitken
This is your year Lindsay Mxx
$106
Devina Prakash
Great work. 😊Good luck.
$106
Peter Cunneen
Good luck!
$106
Nic & Waz
A great cause close to your heart, will be thinking of you all x
$106
Jacquie Parker
Hats off to you for participating in this challenge’
$106
Sally Hankinson
Take it step by step
$106
Jacqueline
With love from grandma x
$106
Jacqueline Crossman
With love from Grandma
$106
Melissa Irvine
Go Rob. Remember to rehydrate afterwards!
$106
Kamran Ansari
$106
Deborah & Christopher Schofield
$106
Peter Stipanovic
Love you
$106
Lauren Litzinger
$106
Colleen Gorman
Way to go Rachel!
$106
Damien Drendel
$106
Claire O’connell
I am sure your project management skills will have all this worked out, but good luck and sending love and strength to all x
$104
Pat & Eddie Arico
$104
Jodie
So proud of you Zac. Love you big time
$101
Lily Crossman
$101
Ella Crossman
$100
Has Almashat
Don’t forget to train
$100
Gaile Croarken
What a great way to honour your sister & help fund assistance for other people in the future. Go Rach!
$100
James Dao
lfg
$100
Claire Thomson
$100
Kristy Fitzgerald
So proud of you Zac - love always - Aunty Kiki and Loch xx
$100
Georgina Arnold
Good luck to you and all the family. I know you will all nail it but enjoy it all too. Will be thinking of you all. Gx
$100
Vin Narasimhachar
Good Work
$100
Jarrod Parsons
Small steps taken with purpose can create a big impact! Great work Seren, enjoy the experience.
$100
Clare
Great work!
$100
Nicole Beck
$100
Mum, Dad & Esra
Forever proud of you. Love you ❤️
$100
Clare Mifsud
Go Lily xx
$100
Karen
Good luck team Keeling xx.
$100
Daniella Marrocco
Great cause Anni
$100
Amy Neylan
Best of luck Rach for your walk! Go DJ’s Dymos!
$100
Uncle Michael And Strina
Very proud of you Anni xx
$100
Anonymous
$100
Claire & Pete G
Go Francine and DJ's Dynamos! xx
$100
Dan Murphy
This must be becoming quite difficult at your age Rob 😆… sending lots of love to you all. Great effort for a great cause remembering an even better person 🫶🏻
$100
Vanessa Stipanovic
Very proud of you and everything you set out to achieve.
$100
Nadja
Good luck on the climb and respect for doing it year after year to support the good cause!
$100
Adeline Lim
Yet another summit success on your belt. All the best!
$75
Aria Pratap
All the best
$75
Nanna & Dede
Good luck 🩷
$72
Francine Keeling
$65
Bel Hardie
Proud of u Anni 🫶🏻
$60
Conrad Hewins
Proud of you Seren ♥️
$58
Lara Jafar
$58
Lindsay Aitken
$58
Lourdes Irigoitia
$56
Nihat
Best Wishes
$55
Georgia Albert
$54
Cathy
Your mum would be so proud xx
$54
Justine Lions
Cheering you all on in this
$54
Lyn & Bill Ferguson
Go Rach ! We love & support you XXX
$54
Mark Gadaleta
$54
Fin Thorpe
Go for gold Cat!
$54
Lynette Ferguson
Good on you E! Love you , Grandma & Pa xxx
$54
Lynette Ferguson
Good on you Josh ! Love Mum & Bill xxx
$54
Olly Capdor
Good luck Georgie brave cuz! 🧡🧡
$54
Lynette Ferguson
Good on you Zach ! Love you , Grandma & Pa xxx
$54
Nilta And Dhaeren
$54
Ellio Leone
Go anni! Love you, ELLIO
$54
Dahlia Aldebagh
$54
Pat Kerr
Have a great day mate .
$54
Erika
Love you lilsicleeeeee
$54
Lee
Xx
$54
Nicolle
With love and support from your BFF 🤪💜
$54
Pat Kerr
Good Rachel have a great day
$54
Patricia Circelli
So proud of you xxx
$54
The Merchants
Good luck Muscles 😘
$54
Anonymous
$54
Anonymous
$54
Sarah
$54
Jen S
$54
Jenny Toohey
❤️
$54
Hilary Ngo
You got this lily!! So strong💪🙏
$54
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
Alain Kadar
$54
Louise Altes
You are a queen!!! I miss u elly ❤️🫰
$54
Mary Karagiannis
always in awe of you, love you so much 💗
$54
Cameron Flannery
🤞🤞
$54
Lien And Harry Charalambous
Best of luck, Rob to you and the girls x
$54
James
$54
Lucas Albert
$54
Bernie
Hi Rob, excellent effort and worthy cause, good luck.
$54
Marisa Orbea
Enjoy your vertical stroll! Tia & Javi
$54
Janet Phillips
$54
Larry Phan
$54
Tk
Good luck friend 🫶🏾
$54
Lynette Apostolou
Go Franny !
$54
Sara & Ben Brand
Good on you Lindsay! You’ve got this, definitely not the last year! ❤️
$54
Margaret Aitken
Go Lily I’ll you at the finish line Mxx
$54
Margaret Aitken
Hi Ella I’ll see you at the finish line Mxx
$54
Veronica Rivas
Go Rachel! Thank you for inspiring us. Cheers from New Jersey
$54
Erica Swibel
Best wishes for a successful kosichallenge.
$54
Ben Porter
$54
Kayla X
$54
Sabrina Garzaniti
Go Georgia 🫶
$54
Joyce Baltah
All the best Rob!
$54
Chloe Ilijoski
You’re basically two walkers this year, me and you. Better start running buddy 😁
$54
Anonymous
$54
Creative Advocacy Solutions
Matched donation by Creative Advocacy Solutions ⚡️
$54
Emma
$54
Clare Wilkie
$54
Kathy Crimmins
Go toots!!
$54
Harvey
👏
$54
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
$54
The Goodfellow's
Great cause Annika. Good luck.
$54
Anonymous
Go James Nxx
$54
Danielle Reid
$54
Larissa Ollivain
$54
Margaret Aitken
$54
Sarah
$54
The Best Rob C
Go hard buddy. I’m looking for a PB time up that mountain.
$54
Margaret Aitken
$54
Margaret Aitken
$54
Sandra Gilbert
Go Lindsay..behind you all the way!
$54
Jessica Yeo
🩷
$54
Winkki Bao
What an amazing effort! All the very best Rob!
$54
Ulviye Mehmet
Well done Seren. Three years in a row. So proud of your strength and dedication. We love you from Hala, Eniste and Reyhan xxx
$54
Margaret Gilbert
$54
Alicia Moore
$54
Holly Keeling-james
Hoping you get great weather. Wonderful cause x
$54
Jim Lewis
This is for whole family just making you look good
$54
Leila Smith
Love you lots x
$54
Leila Smith
Lots of love x
$54
Alun Jones
$54
Peter Baskerville
You doing good Jade. Very proud of you.
$54
Darko Stipanovic
Love you Anni!!!!
$54
Musa Almashat
Let’s go my big cousin Lara!! 😘😘
$54
Raymond Tarabay
I am proud of you
$54
Domi Arico
A wonderful cause. Good luck with the challenge.
$53
Halle Eren
All the best Rob.
$53
Sandra Pusceddu
So proud of you gorgeous girl! ❤️
$53
Jennifer Albert
Proud of you!
$53
Simone
Go Lily! ❤️
$53
Bradley
Well in brother, safe climbs
$53
Gareth & Louise
Great stuff Rob. Very happy to support - it’s a scourge to be overcome. Keep up the great work.
$53
Aimee Le Neveu
Much love ❤️
$50
Rachael Verity
Super proud of you doing this again Seren! Good Luck on the climb x
$50
Adam Berlowski
Inspiring as always! Enjoy the walk.
$50
Mum Xx
Proud of you mate x
$50
The Salih’s
We love you Georgia!
$50
Claire Neylan
$50
Ruth Surtees
Sending my best wishes Rob, good to see your knees are still up to the challenge!
$50
Kim Son Nguyen
$50
Anthony
Walk
$50
Sienna Phommachanh
Twin ❤️
$50
Lourdes
Good luck!! I’m so proud of you ❤️❤️
$50
Kate Ridley
5 years is inspiring ✨️
$50
Annika Stipanovic
$50
Lauren
What an amazing cause, best of luck Rob!!
$50
Joanne Dao
$50
Melos
$50
Lyndall Evans
Happy walking.... :)
$50
Anonymous
$48
Deleena
$42
Chloe Bertram
$42
Orinta Tarabay
$42
Zac Porter
$38
Anonymous
Be strong, be brave!
$38
Craig Stevenson
Best of luck - great cause
$38
Lauren Schofield
Love you x
$38
Şenay Salih
Good luck Seren. So proud of you. Love you from Nene 💝
$38
Anonymous
Good on ya Zac
$38
Your Beautiful Brother-in-law
$38
Becky
🫶🏼🫶🏼
$38
Venus
$38
Christine
Go Rob!
$38
Bella Mcguire
$38
Danae
Go Frannie!
$38
Bella Tran
$38
Diana Louis
Great work, Rob
$38
Teimyi Lam
Good luck!! You got this!!! You have my full support ❤️❤️
$38
Teimyi Lam
You got this!! Good luck!! You have my full support!! ❤️
$38
Jade Baskerville
$38
Jade Baskerville
$38
Marcus Nash
Good Luck 🇦🇺🏴
$38
Lisa Moore
Have an amazing time!
$38
Luke Wilmott
Good onya
$38
Jeff Gigler
Go in peace, Rob! ❤️
$38
Lisa Wilmott
$38
Irene Tortosa
Great work Jo
$38
Micheal King
Good work little one
$38
Adam Ryder
$38
Julie Robinson
Good luck Rob!
$38
Anonymous
$38
Charlotte Aitken
From your favourite grandchild
$38
Dhruv Verma
$38
Elysha
🫰
$38
Bridgitte
Enjoy the climb!
$38
Chris Mair
Such a great cause, good luck mate!
$38
Julie T
$37
Cece Albert
Gettittt gyalll
$37
Lara Santos
$37
Vincent Coles
$35
Mumma Tanya 🫶
Good on you! Very proud!
$35
Mumma Tanya 🫶
Proud of you!
$35
Mumma Tanya 🫶
Proud of you!
$35
Anonymous
$35
Jana Rajasingam
All the best Rob.
$35
Anonymous
$35
Daniel Mcmechan
$35
Korhan Abi
Good luck Cuzzie!
$35
Diana Krawczyk-bernotas
$33
Sabrina & Lucia Girard
Wishing you strength for the walk this weekend Ella and sending lots of support for the incredible cause you’re walking for…. What a beautiful way to honour your mum 🪷
$33
Emine And Metin
Amazing work Seren
$33
Creative Advocacy Solutions
Matched donation by Creative Advocacy Solutions ⚡️
$33
Sam T
admirable
$33
Helen Coles
Good luck Jade!
$30
Olivia Panetta
love you my girl❤️
$30
Lara Griffiths
GO SEREN ♥️
$30
Chace Tran
Good work
$30
Jess
$28
Fatma Ab
$28
Jessica K Preston
Wishing you all the best on the day!! You’ve got this!!
$28
Anonymous
You got this!
$28
Petra Zajakovski
$28
Tamara Prouzos
Go on Zac! This is amazing, good luck.
$28
Caterina Schofield
🫶
$27
Caterina Schofield
$25
Erika
$25
Erika
$25
Erika
$25
Erika
$25
Erika
$25
Alessia Brama
go chlo !! proud of you 🩷👏
$23
Aleeyah Jacobs
$23
Grace
$23
Anonymous
RIP to your feet.
$23
Anonymous
$23
Anonymous
$23
Topgem
$23
Anonymous
💕💕💕
$23
Darcy
Go on lad
$23
Annisha
$23
Annisha
$23
Annisha
$23
Maya Lavery
$23
Viva
graces friend
$23
Indie Mcdonald
$23
Elena
💗
$23
Gabby Cramp
$23
Jen Molloy
Well done Rach and family - Danielle would be very proud of you all ❤️
$23
Luke
$23
Zofia Krawczyk-bernotas
$22
Jason Chan
Good Luck Rob on this Epic challenge!
$22
Jamella
So proud of you!
$22
Aaliyah Thirakul
ily boo, keep it up <3
$20
Anonymous
$20
Niveditha S
Hello Rob, this is Niveditha from TCS who worked with you for Primary Connect Implementation. I’m here to contribute a very small amount but really very happy for what you are doing. My father is a cancer survivor. May God bless you and your family always.
$20
Bibs A
Proud of you Seren 🤍
$20
Ai
My girl💖💖!!!
$20
Bella
Great cause! You got this wohooo!
$20
Helen
Here's a "Kosi, Kosi, Kosi – Oi,Oi,Oi!" from me to you :)
$17
Mariah Murad
❤️❤️❤️
$17
Samantha Maguire
well done
$17
Jocelina
#love my pookie
$17
Anonymous
$17
Anonymous
😻😻
$17
Tate Oconnor
$17
Ethan
$15
Charlie Caplan
$15
Sean Woodard
Love your work mate!
$15
Sissy
Go Lily!!!
$13
Anonymous
😚😚
$13
Anonymous
$12
Prajwol
Best of luck!!
$12
Karani
$12
Courtney Klein
Go Rachel!!!
$12
Chuzz
$12
Anonymous
$12
Sienna Galea
Proud of you !!
$12
Sienna Galea
Always proud of you !!!
$12
Julie Bonotto
Amazing Seren 🫶 I bet you’ll smash this challenge! Best of luck on the climb ⛰️
$12
Ally Reilly
Hey mama c
$11
Keira Ngo
LETS GO LESBAINS!!
$10
Harry Youssef
Proud of you bro
$10
Milo Comerford
Hey
$10
Anonymous
$10
Chloe Roll
$10
Scarlett Mcgraw
$10
Ella Horan
$9
Anonymous
🥾⛰️
$8
Anonymous
$6
Anonymous
$6
Olympia O’shea
$6
Oscar Sirisomphone
Hike
$6
Anonymous
$6
Grace Curran
Goodluck on the hike! So proud of you for supporting such a good cause :)
$6
Anonymous
Just go up🫡
$6
Anonymous
Have fun
$5
Anonymous
$5
Anonymous
$3
Tsara
All I could afford to send in this economy xx
$2
Harrison B
Times are tough at the moment, all I can send out 🥀
Our Team Members
Lily Crossman
$1,100
Rachel Lewis
$3,128
Joshua Lewis
$410
Rob Crossman
$3,121
Joanne Dao
$387
Ella Crossman
$996
Francine Keeling
$1,966
Robert Keeling
$476
James Keeling
$742
Adrian Neylan
Diana Krawczyk-Bernotas
$264
Seren Salih
$2,544
lara jafar
$581
Orinta Tarabay
$419
Stephanie Mosaad
$54
Xavier Pinto
$297
Annika Stipanovic
$1,156
Caterina Schofield
$304
Mary Tran
$416
Zac Porter
$702
Ethan Lewis
$426
Zach Lewis
$394
Lindsay AITKEN
$785
Isabelle Keeling
$349
Georgia Albert
$1,123
Chloe Bertram
$315
Jade Baskerville
$537
Annisha Kumar
$714
Julian Neylan
$212
