20-25 Challenge Series
These 20-25 Challenge Caches are in conjunction with the 2025 Community Celebration Events. These events are a part of a limited release of Community Celebration Events to celebrate 25 years of geocaching. Geocachers hosted events between January 1, 2025 and December 31, 2025. Learn more about Community Celebration Events on the Geocaching Blog.
Challenge Requirements:
(1) Geocacher must have found a minimum of 25 Letterbox geocaches; AND,
(2) Letterbox geocaches found must have a minimum of 20 different FOUND dates.
If you are not sure if you qualify for this challenge, run this checker
