Remember the story of Aron Ralston? He was the guy who cut his hand off after becoming stuck in a slot canyon. That canyon (Blue John Canyon) is not terribly far from there... it's just to the east of the highway you drove down from Green River to get to Goblin Valley.
Leslie Living and Running Behind the Redwood Curtain -------------
2014: May - MDW 70-Miles (w/Trail Factor 50k) - Cascade Crest, WA/Astoria, OR/Portland, OR
June 7 - Grasshopper Peak Redwoods Run 30k - Humboldt Redwoods State Park, CA
July 12 - Mt. Hood 50 - Mt. Hood, OR
Oct 11 - Firetrails 50 - Lake Chabot, CA
"The farther you go outside, the farther you go inside." (Unknown) Ultrarunnerpodcast
Trail Runner Nation