The University of Maine will host the 2019 1st Lt. James R. Zimmerman Memorial Fitness Challenge on April 13. Four-person teams, which can register in one of three categories, will participate beginning at 11:30 a.m. in a variety of physical activities including pack runs, pull-ups and a crawl through a mud pit. The course will read more 2019 Zimmerman Memorial Fitness Challenge to be held April 13