17JUL
- Date
- Jul 17, 2027
- First start
- 6:30 AM
- Distances
- 8 Mile · Marathon · 50K
- Time limit
- 5:30 PM Cutoff (11 hours)
- Elevation gain
- 4,569 feet
Get ready to experience an epic trail adventure! The 50K and Marathon (~26.7 miles) loop takes you through the heart of the San Juan Mountains, following the historic Alpine Loop jeep roads. Along the way, you’ll pass through ghost mining towns such as Howardsville, Eureka, Animas Forks, and Gladstone. The course’s high point is California Pass, sitting at a breathtaking 12,930 feet!
For those running the 8-mile out-and-back, you’ll get a taste of the Alpine Loop as you make your way to Howardsville and back.
Important:Online registration for the event closes on Monday, July 12th at 11:59 PM MT. Don’t miss your chance to sign up!
Good to know
Silverton Memorial Park Greene St Silverton, CO 81433
will be available in Silverton next to the park and on Main Street (Greene)
Pick your distance
The numbers for each course, straight from the race page. Compare them side by side below.
- Date
- Saturday July 17, 2027
- Start Time
- 6:30 AM
- Time Limit
- 5:30 PM Cutoff (11 hours)
- Distance
- 31.8 Miles
- Total Elevation Gain
- 4,569 feet
- Max Elevation
- 12,926 feet
Aid stations · 50KM
| Station | Miles to next Aid | Cumulative Mileage | Notes/Cutoff |
|---|---|---|---|
| Start(Memorial Park) | 0 | 0 | – |
| Howardsville | 4.2 | 4.2 | – |
| Finish (Memorial Park) | – | 8.4 | – |
Compare the distances
| 50KM | Marathon | 8 Miler | |
|---|---|---|---|
| Date | Saturday July 17, 2027 | – | – |
| Start Time | 6:30 AM | 7:00 am | 8:00 am |
| Time Limit | 5:30 PM Cutoff (11 hours) | 5:00 PM Cutoff (10 hours) | 1:30 PM Cutoff (5.5 hours) |
| Distance | 31.8 Miles | 26.8 Miles | 8.4 Miles |
| Total Elevation Gain | 4,569 feet | 3,911 feet | 382 feet |
| Max Elevation | 12,926 feet | – | 9,674 feet |
Course & location
Silverton Alpine Loop, Silverton, CO


