Entrants
Each year the running field is limited to 140 qualifying candidates selected in early February by the race's Run Committee. Prospective entrants are required to demonstrate adequate mountaineering experience either by having competed in the race previously, or running one of the following mountainous 100-mile (160 km) ultramarathons in the previous 3 years: Wasatch, Eagle, the Bear, Angeles Crest, Massanutten Mountain Trails, Western States, Cascade Crest Classic, Plain, HURT, Bighorn or Leadville; or else have demonstrated equivalent mountaineering experience.
Read more about this topic: Hardrock Hundred Mile Endurance Run