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TrailUnited StatesColorado

Aspen Backcountry2027

07.08.2027Aspen, CO (United States)Dates to be confirmed
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3 courses · 23.5–48.9 km · up to 1’680 m D+

3 courses

  1. 23.5km

    966 m D+

    919 m D-

    avg 4%

    Heavy Half Marathon

    07.08.

    No index
    GPX

  2. 42.4km

    1’452 m D+

    1’350 m D-

    avg 3%

    Marathon

    07.08.

    No index
    GPX

  3. 48.9km

    1’680 m D+

    1’528 m D-

    avg 3%

    50K

    07.08.

    No index
    GPX

Course analysis

48.9 km1’680 m D+

66effort kmⓘ48.9 km on the map · feels like 66 km
D+
1’680 m
D−
1’528 m
Max alt.
3’167 m
Steepest
13%

Segments

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Elevation profile: 50K

2’353 m — 3’167 m

Feels like these

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on Aspen Backcountry, in one roadbook.

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The race

Utilizing the beautiful trails that surround Aspen, and now offering three distances - 50K, marathon and heavy half-marathon, all of which run almost exclusively on dirt trails.

Where to stay

Find a place to stay near Aspen, CO for the race.

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