John 'Zac' Brennan
- National: N/A
- State: N/A in CO
I'm Riding For
Kahleesi
Kahleesi ride your cool bike! Have fun❤️
My Story
This September 2025 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. I'm also riding for myself. In Vietnam in the Army I was exposed to Agent Orange herbicide and now at 75, have Stage IV metastatic prostate cancer.
Your support will change little lives.....and mine too!
Thank you.
John Zac Brennan
My Legacy
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514 mi Ridden$2,077 Raised2020
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465 mi Ridden$1,695 Raised2021
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519 mi Ridden$2,266 Raised2022
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546 mi Ridden$6,000 Raised2023
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565 mi Ridden$4,500 Raised2024
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534 mi Ridden$4,240 Raised2025
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RiddenRaised2026