2025 CKF Leadville Trail 100 Run
- Trail Run
- 161 km
Aspen, Colorado, United States
Aspen Backcountry Marathons
- Running
- 50 km
- Marathon
- Half Marathon
N Mill St and Rio Grande Place, Aspen, CO, United States
Aravaipa Running
About the Event
Aspen Backcountry Marathons
Date: August 2, 2025
Location: N Mill St and Rio Grande Place, Aspen, CO
Distances: 50 Kilometer, Marathon, Heavy Half Marathon
Start Times:
- 50 Kilometer: 6:00 AM
- Marathon: 7:30 AM
- Heavy Half Marathon: 8:00 AM
Registration Details:
- 50 Kilometer: $140.00 (Total: $152.60 incl. taxes & fees)
- Marathon: $130.00 (Total: $141.95 incl. taxes & fees)
- Heavy Half Marathon: $80.00 (Total: $87.50 incl. taxes & fees)
Note: Prices increase after May 13.
All participants must obtain a valid Colorado Outdoor Recreation Search and Rescue (CORSAR) card for the event day. This card can be purchased online and supports search and rescue efforts in Colorado.
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How to get there
Courses
Tickets
Apuama does not sell tickets. Check prices and availability on the event's website.
| 50 Kilometer Registration | $152.60 | See |
| Marathon Registration | $141.95 | See |
| Heavy Half Marathon Registration | $87.50 | See |
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