Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail Running
Hardrock 100
Silverton, United States
July 9, 2027 to July 11, 2027Date confirmed
160.93 km
Multi-DayHigh Altitude+4
USRunning Territory & Spot
Running in the San Juan Mountains
10 verified events (2 confirmed dates) and 25 races in San Juan Mountains with course maps and elevation profiles.
Events102 confirmed dates
Competitions25Races & courses
Distances8.7 - 160.9 kmCourse distance range
Max. Elevation Gain+12,192 m D+Course elevation profile
Selected Events
Featured Events & Highlights
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia Commons
Photo: NPS · Public Domain · Wikimedia CommonsTrail RunningUTMB Index Races
Ouray 100 Mile Endurance Run
Ouray, United States
July 16, 2027 to July 18, 2027Date confirmed
160.93 km80.47 km
MountainHigh Altitude+3
Photo: Matti Blume · CC BY-SA 4.0 · Wikimedia CommonsGravel BikingRoad Cycling
Iron Horse Bicycle Classic
Durango, United States
Date to be announcedDate TBA
88.51 km80.47 km43.45 km40.23 km+4
MountainNature & Off-Road+3
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail RunningUTMB Index Races
Silverton Alpine
Silverton, United States
Date to be announcedDate TBA
51 km42.97 km12.88 km
MountainNature & Off-Road+1
Photo: NPS · Public Domain · Wikimedia CommonsTrail RunningUTMB Index Races
Silverton Ultra Dirty
Silverton, United States
Date to be announcedDate TBA
160.93 km95.8 km58.9 km
MountainNature & Off-Road+2
Photo: NPS · Public Domain · Wikimedia CommonsTrail Running
Kendall Mountain Run
Silverton, United States
Date to be announcedDate TBA
19 km11 km
MountainHigh Altitude+1
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail Running
Middle Creek Flyathlon
Saguache, United States
Date to be announcedDate TBA
20.92 km11.27 km
Lakes & PondsNature & Off-Road+1
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail Running
High Five 100
Lake City, United States
Date to be announcedDate TBA
160.93 km
High AltitudeMountain+4
Dates & Schedule
Race Calendar
July 2027
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Jul 9, 2027 - Jul 11, 2027 | Hardrock 100 | Silverton, Colorado, US | Trail Running | 160.93 km |
| Jul 16, 2027 - Jul 18, 2027 | Ouray 100 Mile Endurance Run | Ouray, Colorado, US | Trail Running | 160.93 km80.47 km |
Date to be announced
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Date to be announced | Iron Horse Bicycle Classic | Durango, Colorado, US | Gravel BikingRoad Cycling | 88.51 km80.47 km43.45 km40.23 km |
| Date to be announced | Silverton Alpine | Silverton, Colorado, US | Trail Running | 51 km42.97 km12.88 km |
| Date to be announced | Silverton Ultra Dirty | Silverton, Colorado, US | Trail Running | 160.93 km95.8 km58.9 km |
| Date to be announced | Kendall Mountain Run | Silverton, Colorado, US | Trail Running | 19 km11 km |
| Date to be announced | Middle Creek Flyathlon | Saguache, Colorado, US | Trail Running | 20.92 km11.27 km |
| Date to be announced | High Five 100 | Lake City, Colorado, US | Trail Running | 160.93 km |
| Date to be announced | San Juan Softie | Durango, Colorado, US | Trail Running | 160.93 km |
| Date to be announced | Black Canyon Triathlon | Montrose, Colorado, US | Triathlon | 27.75 km |
Events by Month
Overview & Route Character
The running territory of San Juan Mountains (United States, Colorado) is represented in the RunningCompass catalog with 10 public events and 25 individual races, including 2 events with confirmed dates for the 2026-2027 season. Core disciplines include Trail Running, Gravel Biking, and Road Cycling. Key host locations include Silverton, Ouray, Durango, and Saguache. Notable events in the selection include Hardrock 100, Ouray 100 Mile Endurance Run, and Iron Horse Bicycle Classic.
Race distances span from 8.7 km to 160.9 km, reaching up to +12,192 m of elevation gain on the most demanding courses. Every race listed for San Juan Mountains includes an interactive MapLibre course map powered by OpenStreetMap, a high-resolution SVG elevation profile with gradient telemetry, and a direct GPX track download.
Questions & Answers
Frequently asked questions (FAQ)
How many running events and races take place in San Juan Mountains?
RunningCompass currently lists 10 verified events with 25 individual races in San Juan Mountains. A total of 2 events have confirmed upcoming dates, while additional annual editions include full course and distance specifications. Notable events in the selection include Hardrock 100, Ouray 100 Mile Endurance Run, and Iron Horse Bicycle Classic.
What disciplines and race distances are offered in San Juan Mountains?
Events in San Juan Mountains focus on Trail Running, Gravel Biking, and Road Cycling. Course distances range from 8.7 km entry-level races up to 160.9 km endurance challenges. Primary host cities and towns include Silverton, Ouray, Durango, and Saguache.
What is the course profile, terrain, and elevation gain like in San Juan Mountains?
The most selective courses in San Juan Mountains climb up to +12,192 m of positive elevation gain. Each event page provides exact altitude range, ascent (+m), descent (-m), average and maximum gradient, an interactive course map, and a downloadable GPX file.
How can I find dates and register for running events in San Juan Mountains?
The monthly race calendar on this page groups all confirmed dates chronologically alongside annual events awaiting their next date announcement. Use the discipline, distance, and month links or switch to the interactive map view (/en/events?view=map) to inspect individual event profiles and official organizer registration links.