Races
Lookout Campground to Fish Springs and back. One hundred miles of Utah desert dirt road. Three thousand feet up. Wild horses. Crew required. Head west.
Field, 2025 · 20-year sampleresults
Geometrycourse math
Weather at the cruxcourse math
At hour 9 of race, feels like 19 C (72 F).Sample of 7 race days, medium confidence.At hour 9 of race, apparent temperature P90 is 19 C / 66 F.
Course records
The cruxFish Springs turnaround at mile 58.2 by 10:00 pm (near mile 83)
Course DNA
Pony Express Trail 100 runs 127 mi through Faust, Utah. +13,435 ft gain and -13,435 ft loss. Surfaces skew 100% dirt road. Fish Springs turnaround at mile 58.2 by 10:00 pm. High point near 7,585 ft. Low near 4,423 ft. October temps run 35°F to 85°F. The course rewards patience early and punishes rushed descents after mile 64.
Train for 13,435 feet of climbing across 127 mi. Back-to-back long runs on similar surfaces. Practice power-hiking grades above 15 percent. 30 hours total means limited margin: rehearse fueling every 45 to 60 minutes and downhill eccentric work weekly. Technicality 7/10. Build a block that simulates the crux near mile 83.
October in Faust, Utah: plan for 35°F to 85°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 30 hours pushes past dark. Poles help on sustained climbs above mile 32. Vest capacity for 2 liters minimum. Shoes matched to 100% dirt road: lugs for mud, rock plate if the course turns technical after mile 64.
Hold effort through mile 32. The field often splits on the first big climb after mile 64. Fish Springs turnaround at mile 58.2 by 10:00 pm near mile 83 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 42 miles of fatigue management. Finish with reserve for the last descent.
Results
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