DateExpected
Early June 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Mueller State Park, 21045 CO-67, Divide, CO
Divide, Teller County
Countdown
June
The same 25K trail loop, but run after dark. Evening start, head torch country, and a very different race from the daytime version.
Key facts
01Night start at 20:00, so expect to run in the dark
Create a free training plan for the The Great Divide Ultra: 25K Night
7-day free trial, no card required
The course
The route
Divide
Distance25km
Total climb640m
StartElevation
0 kmDrag map to rotate24.6 km
Weather
Early-June, Divide
25°CTypical high
7°CTypical low
-1°CColdest in 20 years
34%Days with rain
Highs around 25°C and lows around 7°C, but it has dropped to -1°C. Rain on 34% 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
01Liz Lierman02:56:038.5 km/h
02Mason Boswell03:10:057.9 km/h
03Bryan Feldman03:13:277.8 km/h
13
Finishers
3:35:05
Median time
7.0 km/h
Median speed
Overall · 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 The Great Divide Ultra: 25K Night
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 The Great Divide Ultra: 25K Night plan targets
Typical sessions
25 km with 640 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
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 The Great Divide Ultra: 25K Night plan.
7-day free trial, no card required.
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