Mark Kalkoske

Cancer is the biggest killer of kids from disease in the USA, 38 children die every week. Please donate now and support my challenge to fight kids' cancer!
I've Ridden
869.5 mi
to fight kids' cancer
My Rankings
- National: 1008th
- State: 75th in CA
My Story
14 Sep 2025
This September, I am taking part in the Great Cycle Challenge to fight kids' cancer!
Why? Because right now, cancer is the biggest killer of children from disease in the United States. Over 15,700 children are diagnosed every year, and sadly, 38 children die of cancer every week.
Kids should be living life, not fighting for it.
So I am raising funds through my challenge to help these kids and support Children's Cancer Research Fund to allow them to continue their work to develop lifesaving treatments and find a cure for childhood cancer.
Please support me by making a donation to give these kids the brighter futures they deserve.
Your support will change little lives.
Thank you.
My Legacy
Here's my personal impact over 2 years to fight kids' cancer and save little lives.
-
692 mi Ridden$97 Raised2024
-
870 mi Ridden$1,618 Raised2025
1,561 mi
Ridden
$1,715
Raised
My Challenge
-
17.0 mi ride - Railroad Road - Tuesday, September 30, 2025
Logged this ride 23 days ago -
23.0 mi ride - Rancho Loop - Sunday, September 28, 2025
Logged this ride 25 days ago -
9.5 mi ride - Full day in the car! - Thursday, September 25, 2025
Logged this ride 25 days ago -
50.0 mi ride - Goal Day! - Saturday, September 27, 2025
Logged this ride 26 days ago -
20.6 mi ride - 1000 Palms loop - Thursday, September 25, 2025
Logged this ride 28 days ago -
24.9 mi ride - PGA West - Tuesday, September 16, 2025
Logged this ride 29 days ago -
27.8 mi ride - Rental car return ride - Tuesday, September 23, 2025
Logged this ride 30 days ago -
15.0 mi ride - Evening in Pam Desert - Monday, September 22, 2025
Logged this ride 30 days ago -
18.0 mi ride - Escrow shuffle! - Monday, September 22, 2025
Logged this ride 30 days ago -
7.0 mi ride - Not so much- broken rear derailleur and walk! - Sunday, September 21, 2025
Logged this ride 31 days ago
My Sponsors
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Kick Cancer's Butt Day matched donation
$377.44Received this donation 41 days agoMark
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Mary Jane Gilbreath
$120Received this donation 56 days agoMark
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Joe & Kim Barr
$103.50Received this donation 52 days agoMark
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Tori StJohns
$103.50Received this donation 42 days agoMark
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Richard White
$100Received this donation 42 days agoMark
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Charlotte fudge
$72.45Received this donation 29 days agoMark
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Cathy Birkenmeier
$51.75Received this donation 25 days agoMark
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Clark Thompson
$51.75Received this donation 42 days agoMark
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Lynn Mitchell
$51.75Received this donation 56 days agoMark
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Sheryl Deeds
$51.75Received this donation 23 days agoMark
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Todd Kalkoske
$51.75Received this donation 25 days agoMark
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Tom Knapp
$51.75Received this donation 56 days agoMark
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Brian Pieper
$50Received this donation 51 days agoMark
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April Garrow
$36.23Received this donation 42 days agoMark
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Beverly McKeddie
$36.23Received this donation 38 days agoMark
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Carmen Montenegro Carmen Montenegro
$36.23Received this donation 36 days agoMark
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Lisa Cole
$36.23Received this donation 52 days agoMark
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Anonymous
$36.23Received this donation 25 days agoMark
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Pat Mattison
$36.23Received this donation 42 days agoMark
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Anonymous
$36.23Received this donation 42 days agoMark