This 100K course includes 51 Miles of single-track trails, 23 miles along the famous Colorado Trail in the beautiful San Juan Mountains.

Name Date and Time
2018 Silverton Ultra Marathon (100K) Saturday, August 11, 2018 6:02AM (MDT) 35 entrants
2017 Silverton Double Dirty 30 (100K) Saturday, September 23, 2017 7:02AM (MDT) 23 entrants
2016 Silverton Double Dirty 30 Saturday, September 24, 2016 7:00AM (MDT) 33 entrants