Experience a challenging running adventure on a 26-mile single-track loop through the scenic Mark Twain National Forest via the Berryman Trail. Runners will tackle a diverse terrain featuring rocks and roots, with a notable elevation change of 2500 feet in both ascent and descent for each loop. The marathon consists of one loop, while the 50-mile race requires two loops, each offering a refreshing water crossing at Brazil Creek around mile 16. Prepare for an exhilarating and rugged experience!