Silverton Ultra Dirty 2021

Previously named the Silverton Ultra Marathon, this race features three distances, 100-mile, 100K and 60K. Each race is 98% single track trails in some of the most spectacular mountains in the United States of America, the San Juan Mountains. The last 12 miles of each course runs the same as the Hardrock 100. 60% of each course is above 11,000' e

This race features three distances, 100-mile, 100K and 60K. Each race is 98% single track trails in some of the most spectacular mountains in the United States of America, the San Juan Mountains. The last 12 miles of each course runs the same as the Hardrock 100. 60% of each course is above 11,000' elevation. The endless majestic mountain views