Bates Canyon Trailhead, Erda, UT. Marathon, Half Marathon, 10K and 5K. These fun courses are an adaptation of the old Serengeti Trail Races courses. You’ll spend less time in the Serengeti Trail System and more in the Oquirrh Wave Trail System. While enjoying stunning views of the snowcapped northern Oquirrh Mountains, the Tooele Valley, the Stansbury Mountain Range, and the Great Salt Lake, you will climb 2,000 ft in the 25k, 1,200 ft in the 10-Miler, and 750 ft in the 5-Miler.