From Wrightwood to Pasadena. 100 miles includes 90 miles of trails and 8 miles of dirt road in the Angeles National Forest including portions of the Pacific Crest Trail, and 2 miles of paved road. The race starts on Park Street in downtown Wrightwood and finishes at Johnson's Field in Pasadena. There is a 21,610 ft. accumlative elevation gain, 26,700 ft. accumlative loss, resulting in a 48,310 feet total elevation Change. The highest point is Mt. Balden-Powell at the 9,210 ft. level.