Huntington, UT. Half Marathon, 10K, 5K. The race takes place on a National Scenic Byway. The half marathon starts at the northwest corner of Cleveland Reservoir. The 10K and 5K start along the river. All 3 races finish at the entrance to the Crandall Canyon Mine Road. Beautiful, fast downhill course and is the highest half marathon in Utah, starting at 8,800′.