(Press release) HAYWARD, WI (April 21, 2017) – September 30, 2017 marks the 16th Birkie Trail Run Festival held on the legendary hills of the iconic Birkie Trail. The Birkie Trail Run Half Marathon, part of the Birkie Trail Run Festival weekend of events, has been selected as the USATF Half Marathon Trail Championship in 2017 by USA Track & Field, the national governing body. “We are honored to host a USATF National Championship and...