Races
Burney Mountain 100
Burney Basin to pine. Lassen views, lava flows, and a dawn start at 4:30. Snow picks the course letter.
- Start3,323 ft
- High8,373 ft
- Low2,986 ft
- Finish3,323 ft
- Cypress Trail Head at mile 50, cutoff 17 hours
- Finish Burney at mile 100, cutoff 40 hours
Field, 2026 · 2-year sampleresults
Geometrycourse math
Course records
The cruxThousand Lakes Wilderness high country (near mile 65)
Course DNA
The Course
Burney Mountain 100 runs 100 mi through Burney Mountain Guest Ranch, California. +18,783 ft gain and -18,783 ft loss. Surfaces skew 85% trail / 15% forest road. Thousand Lakes Wilderness high country. High point near 8,373 ft. Low near 2,986 ft. June temps run 35°F to 85°F. The course rewards patience early and punishes rushed descents after mile 50.
The Work
Train for 18,783 feet of climbing across 100 mi. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 40 hours total means limited margin: rehearse fueling every 45 to 60 minutes and downhill eccentric work weekly. Technicality 8/10. Build a block that simulates the crux near mile 65.
Kit
June in Burney Mountain Guest Ranch, California: plan for 35°F to 85°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 40 hours pushes past dark. Poles help on sustained climbs above mile 25. Vest capacity for 2 liters minimum. Shoes matched to 85% trail: lugs for mud, rock plate if the course turns technical after mile 50.
Race Day
Hold effort through mile 25. The field often splits on the first big climb after mile 50. Thousand Lakes Wilderness high country near mile 65 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 33 miles of fatigue management. Finish with reserve for the last descent.
Results
Burney Mountain 100 finish lines.
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Sources (2)
- Field stats (2026): https://ultrasignup.com/results_event.aspx?did=128016
- Course record (F): https://ultrasignup.com/results_event.aspx?did=121006