Catherine Seidenberg
I am riding 250 mi in memory of Clay Reaser. Please sponsor me and support my challenge to fight kids' cancer and save little lives.
I've Ridden
202.0 mi
to fight kids' cancer
My Rankings
- National: 278th
- State: 13th in NY
- My Team: 1st
I'm Riding For
Clay Reaser
My Story
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.
Catherine
My Legacy
Here's my personal impact over 7 years to fight kids' cancer and save little lives.
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458 mi Ridden$777 Raised2019
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529 mi Ridden$3,261 Raised2020
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541 mi Ridden$3,185 Raised2021
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406 mi Ridden$3,748 Raised2022
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451 mi Ridden$4,012 Raised2023
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504 mi Ridden$3,416 Raised2024
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202 mi Ridden$3,647 Raised2025
3,090 mi
Ridden
$22,045
Raised
My Challenge
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30.0 mi ride - Blockhouse 30 - Tuesday, September 30, 2025
Logged this ride 21 days ago -
12.0 mi ride - Caught some raindrops - Friday, September 26, 2025
Logged this ride 25 days ago -
13.0 mi ride - Cole Island ride - Monday, September 22, 2025
Logged this ride 29 days ago -
16.0 mi ride - Angier Hill Loop - Saturday, September 20, 2025
Logged this ride 31 days ago -
13.0 mi ride - evening ramble - Wednesday, September 17, 2025
Logged this ride 34 days ago -
12.0 mi ride - sunset spin - Tuesday, September 16, 2025
Logged this ride 35 days ago -
12.0 mi ride - morning spin - Monday, September 15, 2025
Logged this ride 36 days ago -
12.0 mi ride - Perfect morning ride - Thursday, September 11, 2025
Logged this ride 40 days ago -
$2,000 raised to fight kids' cancer!
I just raised $2,000 to fight kids' cancer and achieved LEGEND LEVEL in the challenge! Thank you so much for your support.
Posted 41 days ago -
30.0 mi ride - Back to Blockhouse Road - Wednesday, September 10, 2025
Logged this ride 41 days ago
My Sponsors
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Kick Cancer's Butt Day matched donation
“Here's your matched donation from a group of wonderful Children's Cancer Research Fund supporters. THANK YOU so much for your awesome efforts to kick cancer's butt!”
$555.31Received this donation 40 days ago
Catherine
“Thank you for the generous match!!”
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Elizabeth Bacot
$310.50Received this donation 43 days ago
Catherine
“Wow! Thanks so much for your donation, Betsy! So great to see you the other night!❤️”
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Anonymous
“Thank you for taking dear Clay on this beautiful ride with you!”
$301.93Received this donation 41 days ago
Catherine
“Thank you so much for your generous donation!!”
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Anonymous
$274.28Received this donation 43 days ago
Catherine
“Thank you so much for your generous donation!❤️”
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Anonymous
“Ride on Catherine! from your old friend Archimedes”
$274.28Received this donation 40 days ago
Catherine
“Thank you for your amazing donation, Archimedes! You are a great mathematician, choosing today to donate.😊”
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Jim & Caroline Carlisle
“Thank you Catherine for all you do for cancer, for the town of Westport, and for our delicious home garden.”
$207Received this donation 43 days ago
Catherine
“Thank you Jim and Caroline!! I so appreciate your support!”
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Anonymous
“Good for you to keep doing this each year. Very good cause! <3”
$124.20Received this donation 42 days ago
Catherine
“Thank you so much for your generous contribution!”
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Anonymous
“You are amazing!!!!”
$124.20Received this donation 32 days ago
Catherine
“Thank you for your support!!❤️”
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Ellen Few Anderson
$124.20Received this donation 33 days ago
Catherine
“Thank you so Much, Ellen!”
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Anonymous
$124.20Received this donation 37 days ago
Catherine
“Thank you for your generous donation, and for bringing me to the finish line!❤️”
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seymour preston jr
“Counting on you to join me in early October to put our gardens to bed for the winter? Please share photos!”
$124.20Received this donation 44 days ago
Catherine
“Hi Seymour! Thank you so much for your donation! Yes, I will help put your gardens to bed! And many photos coming your way.❤️”
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David & Margaret Reuther
“We're so glad you're doing this important ride again, Catherine. It's an inspiration that I hope will encourage others to give more to others in need. The news is so dire these days that now, now more than ever, we all need to step up and try to change the world”
$120Received this donation 44 days ago
Catherine
“Thank you so much, David and Margie!❤️For all of your continued support and friendship!”
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Laurie House
“Go Catherine!”
$103.50Received this donation 35 days ago
Catherine
“Thank you, Laurie!!❤️”
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Robin Howell
$103.50Received this donation 45 days ago
Catherine
“Thank you Robin!! ❤️❤️”
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glenn eames
$72.45Received this donation 28 days ago
Catherine
“Thanks Glenn.❤️”
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Jane Oliver
“Ride, Catherine, ride!!!”
$72.45Received this donation 40 days ago
Catherine
“Thanks so much, Jane, for your continued support and encouragement!❤️”
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Stephen Kiernan
$72.45Received this donation 46 days ago
Catherine
“Thank you Stephen! We so appreciate your donation!”
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Ted Scatchard
“Sorry for delay, my card was disabled last week. Thank you for your effort and the reports and photos.”
$72.45Received this donation 35 days ago
Catherine
“Hi Ted! Thank you so much for your donation! No apology needed.😊”
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Facebook Fundraiser Donation
$61.72Received this donation 45 days ago
Catherine
“Thank you so much for your donation! ❤️❤️”
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Clare Gibson
$51.75Received this donation 43 days ago
Catherine
“Thank you Clare!❤️”