The Zane Grey Highline Trail Ultramarathon is a premier trail running event in the Southwest that challenges athletes with its breathtaking scenery and rugged terrain. Participants tackle the iconic Highline Trail, which meanders through towering pines and features stunning creek crossings, all while surrounded by magnificent vistas that make the experience truly unique. This ultramarathon course, established in the 1890s, offers an unforgettable adventure for runners seeking both beauty and difficulty, pushing them to their limits as they navigate the diverse landscapes of the Mogollon Rim.