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My Xtreme Hike Story

Jim Rynne

Fundraising for Yosemite Xtreme Hike 2026

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Jim Rynne

This year, I’m taking on a 19-mile hike to the summit of Mt. Hoffmann in Yosemite to support the Cystic Fibrosis Foundation and my nephew Eamonn.

Eamonn is now a college junior and continues to thrive despite the daily challenges of living with cystic fibrosis. Advances in treatment have made a tremendous difference in his life, but there is still important work ahead.

Every donation helps fund research, improved treatments, and the continuing pursuit of a cure. Thank you for supporting my hike and everyone living with CF!

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The CF Foundation is committed to providing a safe, inclusive, and healthy experience for individuals attending Foundation Events. Individuals attending CF Foundation events must abide by the Foundation's Attendance Policy and accompanying guidelines, which include guidance for event attendee's living with cystic fibrosis.