Silverton, CO, Colorado
103.7 miles through the San Juan Mountains of southwest Colorado. 25,127 feet of climbing. A high point at 12,468 feet. Never drops below 8,428 feet. 11 aid stations spread across some of the most remote terrain in American ultra running. The name is a joke — this is one of the hardest 100-milers in the country.
| Name | Mile | Elevation | Crew Access | Drop Bag | Cutoff |
|---|---|---|---|---|---|
| Start (South Mineral Campground) | 0 | 8,783 ft | Yes | No | — |
| Aid 1 | 8 | 10,414 ft | No | No | — |
| Aid 2 | 19.5 | 9,072 ft | No | No | — |
| Aid 3 | 28 | 11,480 ft | No | No | — |
| Aid 4 (Middle of Nowhere) | 35.75 | 11,221 ft | No | Yes | — |
| Aid 5 (Cross Mountain) | 45.8 | 10,027 ft | Yes | Yes | — |
| Aid 6 (Calico) | 52.8 | 10,279 ft | No | No | — |
| Aid 7 (Burnett) | 64.8 | 10,263 ft | No | No | — |
| Aid 8 (Ryman) | 71.3 | 8,445 ft | Yes | Yes | — |
| Aid 9 (Coral) | 79.9 | 10,788 ft | Yes | Yes | — |
| Aid 10 (Big Lick) | 87.8 | 8,435 ft | No | No | — |
| Aid 11 (Elbert Creek) | 95.5 | 10,302 ft | Yes | Yes | — |
| Finish (South Mineral) | 103.7 | 8,785 ft | Yes | No | — |
| Segment | Miles | Terrain | Difficulty | Notes |
|---|---|---|---|---|
| Start to Aid 1 | 0–8 | climb | moderate | Opening climb, 1,800 ft gain. Controlled effort, let others go. |
| Aid 1 to Aid 2 | 8–19.5 | rolling | moderate | Rolling high country traversing ridgeline. Steady effort. |
| Aid 2 to Aid 3 | 19.5–28 | climb | extreme | 2,400 ft climb to 12,400 ft. Hike everything above 11,000. Altitude is real. |
| Aid 3 to Aid 4 (Middle of Nowhere) | 28–35.75 | rolling | hard | High-altitude traverse above 11,000 ft. Exposed ridgeline. Push through. |
| Aid 4 to Aid 5 (Cross Mountain) | 35.75–45.8 | descent | hard | Long descent from high country. First crew at the end. Smart descent, protect quads. |
| Aid 5 to Aid 6 (Calico) | 45.8–52.8 | rolling | hard | Rolling terrain, another climb into Calico. Steady. |
| Aid 6 to Aid 7 (Burnett) | 52.8–64.8 | climb | extreme | Second high-altitude block. Crests above 12,000 ft twice. The crux of the race. Survive. |
| Aid 7 to Aid 8 (Ryman) | 64.8–71.3 | descent | hard | Massive 1,800 ft descent to the lowest point on course. Let gravity work. Crew access at end. |
| Aid 8 to Aid 9 (Coral) | 71.3–79.9 | climb | extreme | 2,300 ft climb back to altitude after the low point. Night running likely. Push through the wall. |
| Aid 9 to Aid 10 (Big Lick) | 79.9–87.8 | descent | hard | Descent to lowest elevation on course. Remote aid. Steady running. |
| Aid 10 to Aid 11 (Elbert Creek) | 87.8–95.5 | climb | extreme | Final major climb — 1,900 ft back to altitude. At mile 88. Everything you have left. |
| Aid 11 to Finish | 95.5–103.7 | descent | hard | One last climb over 10,600 ft then descent to the finish. Run what you can. |
View the full interactive elevation profile, 3D course flyover, and race strategy tools on HARDN.