DateExpected
Late September 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Crested Butte Community School, 818 Red Lady Avenue, Crested Butte, Colorado
Crested Butte, Gunnison County
Countdown
September
The big one of the day: 50 miles on trail from Crested Butte, with 2,530 m of climbing spread over a long day. A proper ultra, but the field is small at 95 runners.
Key facts
01Aid stations are cupless, so carry your own cup or bottle
02Small field of about 95 runners, so you may spend long stretches alone
Create a free training plan for the Crested Butte Ultra 80 km
7-day free trial, no card required
The course
The route
Crested Butte
Distance80km
Total climb2,530m
StartElevation
0 kmDrag map to rotate73.0 km
Weather
Late-September, Crested Butte
15°CTypical high
0°CTypical low
-10°CColdest in 20 years
24%Days with rain
Highs around 15°C and lows around 0°C, but it has dropped to -10°C. Rain on 24% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Claire Gibbons09:46:068.2 km/h
02Rachel Lawrence09:53:078.1 km/h
03Nicole Deering10:25:107.7 km/h
32
Women finishers
12:24:44
Median time
6.5 km/h
Median speed
Women · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Crested Butte Ultra 80 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Crested Butte Ultra 80 km plan targets
Typical sessions
80 km with 2,530 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Hill reps and vert to prepare the climbs and descents
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Crested Butte Ultra 80 km plan.
7-day free trial, no card required.
Other races at Crested Butte Ultra
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