DateExpected
Late May 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Buffalo Creek Clubhouse, Buffalo Creek, Colorado
Buffalo Creek, Jefferson County
Countdown
May
The full 50 miles at Buffalo Creek: a loop plus an out-and-back, with a point-to-point finish. Climbing is moderate for the distance, so the clock is the real test.
Key facts
0114-hour time limit, finish by 8 pm
02Course is a loop plus an out-and-back section
03Early 6:00 start, an hour before the 50K
Create a free training plan for the North Fork 50 Mile/50K 80 km
7-day free trial, no card required
The course
The route
Buffalo Creek
Distance80km
Total climb1,958m
StartElevation
0 kmDrag map to rotate66.6 km
Weather
Late-May, Buffalo Creek
24°CTypical high
7°CTypical low
-4°CColdest in 20 years
34%Days with rain
Highs around 24°C and lows around 7°C, but it has dropped to -4°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
Results
Course verified. Results not yet available.
Organiser
Training
Training for the North Fork 50 Mile/50K 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 North Fork 50 Mile/50K 80 km plan targets
Typical sessions
80 km with 1,958 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 North Fork 50 Mile/50K 80 km plan.
7-day free trial, no card required.
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