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Aspen Backcountry Marathons

Aspen Backcountry Marathons

  • Running
  • 50 km
  • Marathon
  • Half Marathon
N Mill St and Rio Grande Place, Aspen, CO, United States
Aravaipa Running

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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
Marathon Registration$141.95
Heavy Half Marathon Registration$87.50
Event Website