This Is What Happens to Your Body on a Thru-Hike

Why I Thru Hike — Kate the wild

Outside Online: This Is What Happens to Your Body on a Thru-Hike : r/Ultralight

AT Ludlow's Outdoor Adventures

The Hippie Trails

Five Things You Need to Read Before Your Thru-Hike - The Trek

Trail Supply Co.

Before and After Thru Hiking: Body Transformation – Next Mile Meals

Thru-Hiking Appalachian Trail Conservancy

24 Insane Thru-Hike Transformation Photos - The Trek