Trail Clubs-Rockies/Southwest

Arizona

• Arizona Track N Trail Runners (Chandler/Gilbert)
• Flagstaff Ultrarunning Club (Flagstaff)
• Northern Arizona Trail Runners Association (Flagstaff)
• WMRC – Wednesday Morning Running Club (Phoenix)

Colorado

• Aspen Trailheads (Aspen)
• Attack Pack Running Group (Colorado Springs)
• Boulder Running Company (Boulder, Littleton, Colorado Springs)
• Boulder Trail Runners (Boulder)
• Boulder Trail-Running Breakfast Club (Boulder)
  
• Denver Trail Runners (Denver)
• Durango Running Club (Durango/Four Corners)
  
• Fort Collins Trail Runners (Fort Collins)
• Incline Club (Pikes Peak)
• Maroon Belles Trail Club (Carbondale)
  
• Mercuria Running (Denver)
• Rocky Mountain Runners (Boulder)
• Team Colorado (Manitou Springs)
• Trails, Tales and Ales (Denver)

Idaho

• Trail Maniacs (Couer d’Alene)
  

Montana

• Big Sky Wind Drinkers (Bozeman)
• Helena Vigilante Runners (Helena)
• Montana Trail Crew (Missoula)
• Sage Leapers (Gardiner/Yellowstone)

Nevada

• Run Grrrls Run (Las Vegas)
  

Utah

• Happy Utah Mountain Runners (Ogden)
• Salomon City Creek (Salt Lake City)
  
• Trailheads (Zion)
• Wasatch Mountain Wranglers (Northern UT)

Wyoming

• Lander Running Club (Lander)
• Sage Leapers (Yellowstone)
• Teton Trail Runners (Jackson)