DateExpected
Mid August 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Nordic stadium near Casper Mountain Trails Center, 9301 Casper Mountain Rd., Casper, Wyoming
Casper, Natrona County
Countdown
August
A four-hour night run on one looping trail, with the direction flipping every lap. Short enough to be a first taste of running after dark, with rests allowed between laps.
Key facts
01Timed laps: run as many loops as you can before the 22:30 finish
02Direction of the loop alternates each lap
03You can rest between laps
Create a free training plan for the Night Crawler Endurance Challenge 4 hours
7-day free trial, no card required
The course
One lap, on repeat
Casper · one lap
Total climb366m
Duration4hr
Start · finishOne lap · elevation
0 kmDrag map to rotate14.2 km
Weather
Mid-August, Casper
31°CTypical high
15°CTypical low
5°CColdest in 20 years
19%Days with rain
Highs around 31°C and lows around 15°C, but it has dropped to 5°C. Rain on 19% of days.
NASA POWER data, 2006-2025, the week either side of race day
Organiser
Training
Training for the Night Crawler Endurance Challenge 4 hours
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 Night Crawler Endurance Challenge 4 hours plan targets
Typical sessions
A sustained 4hr effort
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 Night Crawler Endurance Challenge 4 hours plan.
7-day free trial, no card required.
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