SMYTH COUNTY, VA (WCYB) Thru-hikers are people trying to hike the entire 2,180 miles of the Appalachian Trail. On average only one in four make it the entire way from Maine to Georgia.

We've met many thru-hikers over the years, but one is about to do something no one else has done -- hike the entire trail at age five.

If you see them on the trail it may appear like a family hike along the Appalachian Trail, but that little guy in middle is known as Buddy Backpacker, his trail name.

He and his dad have now completed just over 1,600 miles of trail so far. "We started in Harpers Ferry.

We went to Maine then to Baxter State Park to Katahdin, and then to Rockfish Gap, but the Shenandoah was closed," the young Christian Thomas announced.

Read More from our NBC affiliate WCYB.