

My Great Strides Story
Fundraising for Bethesda Great Strides 2026
Marybeth McMahon
There is still no cure for cystic fibrosis—and far too many people with CF don't have the chance to live a full life. I’m walking to help change that.
Cystic fibrosis is a relentless genetic disease that attacks the lungs, pancreas, and other vital organs. For many, it can make every breath a struggle and leave the body vulnerable to serious, life-threatening infections. Over time, it can lead to severe lung damage and respiratory failure.
While progress has brought hope to many, not everyone benefits—and too many are still waiting for life-saving breakthroughs. Every person with CF faces a different journey, but all deserve the same chance: a long, healthy future.
That’s why this fight matters. And it’s why I need your support.
Will you help us end cystic fibrosis?
Your donation fuels critical research, accelerates new treatments, and brings us closer to a cure for every person with CF. Together, we can turn hope into reality.
Please join me in making a difference.







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