Mammoth Hike Challenge
October 1, 2025 - October 31, 2025
Registration for the 2024 Mammoth Hike Challenge opens August 1. This year, we’re challenging folks to hike, walk, run, or backpack 45 miles and visit three Trail Communities during October.
Start planning your hikes, explore Trail Communities to visit, learn about bonus miles, and discover local businesses to support! Get hyped to earn your limited-edition patch and hiking certificate.