Races

Burney Mountain 100

Burney Mountain Guest Ranch, CaliforniaJune

Burney Basin to pine. Lassen views, lava flows, and a dawn start at 4:30. Snow picks the course letter.

100 mi+18,783 ft-18,783 ft40 hours2,986 ft to 8,373 fttech 8/10Checkpoints per race bookLassen countrysnow-dependent courseMagee PeakJune
Distance100 mi
Gain+18,783 ft
Loss-18,783 ft
Altitude2,986 ft to 8,373 ft
Technicality8/10
Air35°F to 85°F
Gradient profileCalTopo course map
  • Start3,323 ft
  • High8,373 ft
  • Low2,986 ft
  • Finish3,323 ft
Aid stations2 stops verified
  1. Cypress Trail Head at mile 50, cutoff 17 hours
  2. Finish Burney at mile 100, cutoff 40 hours

Field, 2026 · 2-year sampleresults

Starters70
Finish rate63%
Median34:18
Sub-243

Geometrycourse math

Steepest drop1,280 ft-12.9% over 1.9 mi
Night miles33 misunset near 19:00 local

Course records

Men20:48:00Rory Wilson2026 results
Women23:03:00Erika Hoagland2025 results

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.

Burney Mountain 100

100 MilerCassel

Sources (2)

Burney Mountain 100