The Aspen Backcountry Marathon is one of Colorado’s premier trail marathons, offering runners a true alpine experience through the spectacular Elk Mountains surrounding Aspen.
Race Overview
- Date: Saturday, August 1, 2026
- Location: Aspen, Colorado, USA
- Start/Finish: Rio Grande Park, Aspen
- Race Organizer: Aravaipa Running
- Distances:
- Marathon (26.35 miles / 42.4 km)
- 50K
- Heavy Half Marathon (14.6 miles)
Special
- Stunning panoramic views of the Elk Mountains
- Dense aspen forests and alpine meadows
- Technical climbs and fast descents
- High-altitude running above 10,000 ft
- Small field (around 250 participants), creating a relaxed atmosphere compared to major city marathons.
Aid Stations
The race features several remote aid stations offering:
- Water
- Electrolytes
- Snacks
- Medical support
Because of the remote terrain, runners are encouraged to carry their own hydration and download the official GPX course file
Ideal for:
- Experienced trail runners
- Mountain marathon enthusiasts
- Runners preparing for ultras
- Anyone seeking a scenic, challenging race rather than a personal-best road marathon
Will you compete on Aspen Backcountry Marathon? 🙂
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