Races
Flagstaff to Grand Canyon 100
Hotshots Ranch to Tusayan on the Arizona Trail. Stagecoach history. Grand Canyon views at the rim.
100 mi+14,770 ft-15,594 ft31 hours6,316 ft to 8,833 fttech 7/10Checkpoints per race bookArizona Trailstagecoach routeBabbitt RanchesSeptember
Distance100 mi
Gain+14,770 ft
Loss-15,594 ft
Altitude6,316 ft to 8,833 ft
Technicality7/10
Air25°F to 75°F
- Start7,461 ft
- High8,833 ft
- Low6,316 ft
- Finish6,637 ft
- Cedar Ranch at mile 34, cutoff 12 hours
- Finish Tusayan at mile 100, cutoff 31 hours
Field, 2019 · 7-year sampleresults
Starters53
Finish rate100%
Median25:48
Sub-2411
Geometrycourse math
Steepest drop591 ft-4.7% over 2.4 mi
Time over 8k ft17%
Course records
Men16:53:00Michael Bursum
Women17:56:00Colleen Lingley
The cruxHumphreys shoulder and Babbitt Ranch (near mile 65)
Course DNA
The Course
Flagstaff to Grand Canyon 100 runs 100 mi through Flagstaff to Tusayan, Arizona. +14,770 ft gain and -15,594 ft loss. Surfaces skew 70% trail / 30% dirt road. Humphreys shoulder and Babbitt Ranch. High point near 8,833 ft. Low near 6,316 ft. September temps run 25°F to 75°F. The course rewards patience early and punishes rushed descents after mile 50.
The Work
Train for 14,770 feet of climbing across 100 mi. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 31 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 65.
Kit
September in Flagstaff to Tusayan, Arizona: plan for 25°F to 75°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 31 hours pushes past dark. Poles help on sustained climbs above mile 25. Vest capacity for 2 liters minimum. Shoes matched to 70% 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. Humphreys shoulder and Babbitt Ranch 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
Flagstaff to Grand Canyon 100 finish lines.
Official siteBack to racesPredict your timeTrain for this raceCheck readinessFoot care guide
Sources (2)
- Field stats (2019): https://ultrasignup.com/results_event.aspx?did=62884
- Course record (M): https://ultrasignup.com/results_event.aspx?did=52798