100 Mile Challenge
100 Mile Challenge
May 29 – September 5
Walk, run, hike, paddle, or pedal—or any combination of any human-powered activity—100 miles in 100 days to celebrate 100 years of ADK!
Raise $100 or more in sponsorships, and win a 100 Mile Challenge patch. Additional prizes will be awarded to the three people who raise the highest amounts, and to those who reach the following sponsorship levels: $100, $250, $500, and $1000.
Accept the Challenge and Register Today!
Related
Together for the Adirondacks
In the Adirondacks, everything is connected. Every path we follow, and every act of care strengthens our bond with these wild places. For over a century, ADK has built those connections.
Protect Public Lands
Help ADK respond to a new wave of federal rollbacks that threaten the foundation of environmental protections nationwide.
Get To Know ADK
Discover your connection to the Adirondacks through an outdoor program, advocacy action, or chapter-led outing.
Support Alpine Education
For more than 30 years, the Summit Stewardship Program has been the gold standard in adaptive management.