The races are held on the beautiful and rugged Monitor and Merrimac trail, 16 miles North of Moab. Racers will run 5.37 mile laps with approx. 11,000' of climbing for the entire 100 miles, and 3,500' for the 50K. The 6 Hour Nighttime Fun Run, 12-Hour, Team Relays, and Solo Challenge racers will run 5.37-mile laps with approximately 606' of climbing per loop.