New River Gorge National River is offering a 100-mile hiking challenge to celebrate the National Park Service's centennial.
To complete the challenge, visitors must hike at least 100 miles on trails in New River Gorge National River and Bluestone National Scenic River in 2016.
Park visitors can register for the challenge online by sending their name and email address to NewRiverGorge100MileChallenge@nps.gov.
Prizes will be awarded to participants who hike at least 100 miles between Jan. and Dec. 1. An additional prize will be given to the first 100 participants who complete the challenge.
The park will officially kick off the challenge on Jan. 2 with a hike of about 3 miles on the Grandview Rim Trail.