David Biefeld

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
429.0 mi
to fight kids' cancer
My Rankings
- National: 2645th
- State: 213th in CA
- My Team: 1st
I'm Riding For
Melinda
My Story
7 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.
David
My Legacy
Here's my personal impact over 2 years to fight kids' cancer and save little lives.
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RiddenRaised2022
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429 mi Ridden$709 Raised2025
429 mi
Ridden
$709
Raised
My Challenge
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2.0 mi ride - RUs and 1st day of air shows - Friday, October 3, 2025
Logged this ride 10 days ago -
12.7 mi ride - Last ride - Tuesday, September 30, 2025
Logged this ride 12 days ago -
15.7 mi ride - Wedge ride big swell - Monday, September 29, 2025
Logged this ride 14 days ago -
16.6 mi ride - Wedge on a 15ft mackin day!! - Sunday, September 28, 2025
Logged this ride 15 days ago -
6.5 mi ride - Saturday, September 27, 2025
Logged this ride 15 days ago -
5.5 mi ride - Friday, September 26, 2025
Logged this ride 16 days ago -
5.6 mi ride - Thursday, September 25, 2025
Logged this ride 17 days ago -
2.9 mi ride - Wednesday, September 24, 2025
Logged this ride 19 days ago -
11.5 mi ride - RJs n sea point - Monday, September 22, 2025
Logged this ride 21 days ago -
6.7 mi ride - Sunday, September 21, 2025
Logged this ride 22 days ago
My Sponsors
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Beverly & Terry Biefeld
$517.50Received this donation 36 days agoDavid
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Grant & Sue Newton
$103.50Received this donation 34 days agoDavid
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Kathy Mora
$51.75Received this donation 17 days agoDavid
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Janice Zintgraff
$36.23Received this donation 44 days agoDavid