Continental Divide Trail Run
Aug 21, 2027Steamboat Springs, CO50K, 16 mi +1
Also 50K, 89 mi from Aspen Backcountry, registration open
At a glance
- Last held
- Aug 1, 2026
- Next edition
- 2027 date not announced. Usually held in August.
- Location
- Aspen, Colorado
- Distances
- 50K, Marathon, Half Marathon
- Elevation gain
- 5,512 ft
- Aid stations
- 8
Listed from UltraSignup. Checked Jul 26, 2026.
Plan this race for free
8 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout 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
Early ends
May 30, 2026
Registration closes
Jul 27, 2026
Race day
Aug 1, 2026
Pricing
50 Kilometer
Late
$170
Marathon
Late
$160
Heavy Half Marathon
Late
$100
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Registration openings and major changes, like a new date or a cancellation.
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 | -- |
Entry transfers
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Race planning
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