It's easy to generate excitement around building new miles of trail. More difficult, but arguably more important, is maintaining existing trails. To help under-resourced trail managers get a handle on the complex challenge of maintenance, PEC's Trails team developed an extensive guidebook and companion app for collecting and analyzing data, allocating resources, and planning for long-term sustainability. Brett Hollern and Zhenya Nalywayko, who helped create the still-unreleased toolkit, explain why it's already drawing national attention.