Races
Lake Pleasant to Crown King Saloon. Spines to pines. One climb. Thirty-five years of Arizona classic 50K.
Terrain
Field, 2026 · 21-year sampleresults
Geometrycourse math
Weather at the cruxcourse math
At hour 10 of race, feels like 13 C (65 F).Sample of 7 race days, medium confidence.At hour 10 of race, apparent temperature P90 is 13 C / 56 F.
Course records
The cruxLong jeep road climb from mile 15 to Crown King (near the 65% mark)
Course DNA
Crown King Scramble 50K runs 50K through Lake Pleasant to Crown King, Arizona. +2,831 ft gain and -2,451 ft loss. Surfaces skew 100% dirt road. Long jeep road climb from mile 15 to Crown King. High point near 2,467 ft. Low near 1,581 ft. March temps run 45°F to 80°F. The course rewards patience early and punishes rushed descents after the 50% mark.
Train for 2,831 feet of climbing across 50K. Back-to-back long runs on similar surfaces. Practice power-hiking grades above 15 percent. 9 hours total means limited margin: rehearse fueling every 45 to 60 minutes and downhill eccentric work weekly. Technicality 6/10. Build a block that simulates the crux near the 65% mark.
March in Lake Pleasant to Crown King, Arizona: plan for 45°F to 80°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 9 hours pushes past dark. Poles help on sustained climbs above the 25% mark. Vest capacity for 2 liters minimum. Shoes matched to 100% dirt road: lugs for mud, rock plate if the course turns technical after the 50% mark.
Hold effort through the 25% mark. The field often splits on the first big climb after the 50% mark. Long jeep road climb from mile 15 to Crown King near the 65% mark 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 the closing stretch of fatigue management. Finish with reserve for the last descent.
Results
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