All trails are 100% off-road with varying (single-track, cross-country, dirt roads) terrain. Elevation gains are approximately 2200 feet for the full marathon, 1100 feet for the half-marathon, and 450 feet for the 10Km loop. The course ranges from 8000 feet to 8600 feet above sea level. The marathon has been described as the most scenic and difficult marathon in the Southwest.