Races
Wyoming Range 100
Middle Piney Lake to Box Y Ranch. One hundred five miles through the Bridger-Teton. Wyoming Peak at 11,378. Bear spray mandatory. Remote alpine miles.
105.7 mi+25,922 ft-28,136 ft48 hours6,342 ft to 11,153 fttech 9/106 stationsHardrock qualifierWyoming Peakbear spray requiredAugust
Distance105.7 mi
Gain+25,922 ft
Loss-28,136 ft
Altitude6,342 ft to 11,153 ft
Technicality9/10
Air30°F to 80°F
- Start8,878 ft
- High11,153 ft
- Low6,342 ft
- Finish6,663 ft
- Aid 1 at mile 10.0
- Aid 2 at mile 20
- Aid 3 at mile 30
- McDougal Gap at mile 55, cutoff 22 hours
- Aid 5 at mile 65
- Aid 6 at mile 75
- Grizzly Basin at mile 84, cutoff 36 hours
- Aid 8 at mile 92
- Aid 9 at mile 98
- Finish Box Y Ranch at mile 106, cutoff 48 hours
Field, 2026 · 7-year sampleresults
Starters91
Finish rate64%
Median41:44
Fastest25:38
Geometrycourse math
Steepest drop2,277 ft-21.8% over 2.0 mi
Night miles28 misunset near 19:00 local
Time over 10k ft10%
Course records
Men25:38:02Cody Poskin
Women27:47:37Ginny Robbins
The cruxWyoming Peak at mile 10 and McDougal Gap at 22 hours (near mile 69)
Course DNA
The Course
Wyoming Range 100 runs 105.7 mi through Big Piney, Wyoming. +25,922 ft gain and -28,136 ft loss. Surfaces skew 90% trail / 10% dirt road. Wyoming Peak at mile 10 and McDougal Gap at 22 hours. High point near 11,153 ft. Low near 6,342 ft. August temps run 30°F to 80°F. The course rewards patience early and punishes rushed descents after mile 53.
The Work
Train for 25,922 feet of climbing across 105.7 mi. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 48 hours total means limited margin: rehearse fueling every 45 to 60 minutes and downhill eccentric work weekly. Technicality 9/10. Build a block that simulates the crux near mile 69.
Kit
August in Big Piney, Wyoming: plan for 30°F to 80°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 48 hours pushes past dark. Poles help on sustained climbs above mile 26. Vest capacity for 2 liters minimum. Shoes matched to 90% trail: lugs for mud, rock plate if the course turns technical after mile 53.
Race Day
Hold effort through mile 26. The field often splits on the first big climb after mile 53. Wyoming Peak at mile 10 and McDougal Gap at 22 hours near mile 69 is where time is won or lost. Walk the steep pinches. Run the flats and gentle downhills. Crew at major aids: socks, calories, ice if hot. Transitions under 5 minutes when possible. Final third is 35 miles of fatigue management. Finish with reserve for the last descent.
Results
Wyoming Range 100 finish lines.
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Sources (2)
- Field stats (2026): https://ultrasignup.com/results_event.aspx?did=130706
- Course record (F): https://ultrasignup.com/results_event.aspx?did=101145