Mayra Sainz Cuartas
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
120.5 mi
My goal is
300 mi
My Rankings
- National: 1232nd
- State: 29th in AZ
I'm Riding For
Nacho(Valdez Sainz
My Story
1 Sep 2025
I take pride every year to participate in this challenge. Last December I was struck by a DUI driver that caused me injuries. I thought I wouldn’t be able to participate this year, but here I am, less of a riding goal this year, but I’m here.
My Legacy
Here's my personal impact over 6 years to fight kids' cancer and save little lives.
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419 mi Ridden$875 Raised2020
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381 mi Ridden$810 Raised2021
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417 mi Ridden$546 Raised2022
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146 mi Ridden$546 Raised2023
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537 mi Ridden$639 Raised2024
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120 mi Ridden$1,137 Raised2025
2,020 mi
Ridden
$4,552
Raised
My Challenge
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$500 raised to fight kids' cancer!
I just raised $500 to fight kids' cancer and achieved GUARDIAN LEVEL in the challenge! Thank you so much for your support.
Posted 15 hours ago -
$250 raised to fight kids' cancer!
I just raised $250 to fight kids' cancer and achieved PROTECTOR LEVEL in the challenge! Thank you so much for your support.
Posted 15 hours ago -
15.0 mi ride - Sunny day! 🔥 - Wednesday, September 10, 2025
Logged this ride 16 hours ago -
$100 raised to fight kids' cancer!
I just raised $100 to fight kids' cancer and achieved DEFENDER LEVEL in the challenge! Thank you so much for your support.
Posted 17 hours ago -
5.0 mi ride - Tuesday evening - Tuesday, September 9, 2025
Logged this ride 1 day ago -
10.0 mi ride - Tuesday morning - Tuesday, September 9, 2025
Logged this ride 2 days ago -
5.0 mi ride - Monday evening - Monday, September 8, 2025
Logged this ride 3 days ago -
10.0 mi ride - Monday ride - Monday, September 8, 2025
Logged this ride 3 days ago -
15.0 mi ride - Sunday ride - Sunday, September 7, 2025
From Arizona to Arizona
Logged this ride 3 days ago -
10.1 mi ride - Morning Ride - Friday, September 5, 2025
Logged this ride 6 days ago - View on Strava
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!”
$509.08Received this donation 5 hours ago -
Edith Cuartas
“Kill it and use bengay😊”
$207Received this donation 15 hours ago
Mayra
“Lol 😂 pretty soon I will have to used bengay Thank you so much! Gob bless you and multiply your money.. love Mayra 😘”
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Jeremias Cuartas
“Keep up the good work Vivi and Tati say hello”
$103.50Received this donation 16 hours ago
Mayra
“Thank you so much family!! Gob bless you and your family 🙏 Hugs and kisses to my beautiful nieces 🩷🩷”
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Kevin
“I’m so proud of you for getting up SUPER early every day to avoid the Arizona heat and find the motivation to go ride. Keep up the good work babes!”
$100Received this donation 15 hours ago
Mayra
“No choice here in Arizona 🔥 lol 😂 God bless you always my love and thank you for always supporting me in this journey Love you very much 😘”
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Anonymous
$72.45Received this donation 22 hours ago
Mayra
“Thank you so much! God bless you 🙏”
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Karla
“You got this mom!!! I love you and what you do! 💗💗💗🥰🥰”
$46.58Received this donation 17 hours ago
Mayra
“Gracias mi Gaby boo! I love you too 😘 God bless you and your money! 🙏🩷”
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Kevin
“Kick some butt.”
$36.23Received this donation 14 hours ago
Mayra
“Hi Paul! It’s Mayra,the one that is riding lol 😂 Thank you for your support.. God bless you 🙏”
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Ricardo & Lili
“You've got this, and we are cheering you on. Your strength and commitment are making a difference. Good luck with the ride!”
$36.23Received this donation 14 hours ago
Mayra
“Thank you so much family! God bless you and multiply your money 🙏 Love you both 😘”
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Megan Boggio
“Happy to support you! We love and miss you! -Megan, Kyle, Ri & Chiquito”
$25.88Received this donation 22 hours ago
Mayra
“Thank you so much guys!! Love you and miss you too.. God bless you and your family 🙏😘”