50K26.2 miles13.1 milesCompletedAravaipa Running
Aspen Backcountry
Aspen, Colorado
$170
50 Kilometer Late
8
Aid Stations
About This Race
The Aspen Backcountry includes a 50 Kilometer distance to compliment the marathon and "heavy half" marathon, hosted next to the Duck Derby fundraising event by the Rotary Club Aspen.
Key Dates
Registration Closes
Invalid Date
Race Day
Aug 1, 2026
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Pricing
Current Price
$170
50 Kilometer Late
Price Progression
50 Kilometer Late
$170May 31, 2026
Marathon Late
$160May 31, 2026
Heavy Half Marathon Late
$100May 31, 2026
50 Kilometer Early
$155
Marathon Early
$145
Heavy Half Marathon Early
$90
Aid Stations
8| Station | Distance | Crew | Drop Bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Start Start at Rio Grande Park | 0.00 miles | -- | -- | ||
Henry Stein Park Light aid offerings only | 2.30 miles | -- | waterelectrolyte drink (Tailwind)bananasoranges | ||
Four Corners 50K course only | 10.80 miles | -- | -- | ||
McNamara Hut No Aid. Part of the 10th Mountain Hut System. 50K course only. | 14.50 miles | 11:00 AM | -- | ||
Hummingbird 50K course; at mile 14.4 on Marathon course; at mile 9.7 on Heavy Half course (cutoff 12:30 PM for Heavy Half) | 18.50 miles | -- | -- | ||
Hunter Creek 50K course; also on Marathon course at mile 17.6 (cutoff 1:30 PM) | 21.80 miles | 1:30 PM | -- | ||
Smugglers 50K course; also on Marathon course at mile 22.9; on Heavy Half course at mile 12.6 | 27.10 miles | -- | -- | ||
Finish Finish at Rio Grande Park. Drop bags allowed at start/finish. | 30.50 miles | 3:30 PM | -- |
Race Planning
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