Races
Ultra Trail Amanecer Comechingón
Argentina, October. 100 km on 75% trail. +9,319 ft of climbing. 26 hours cutoff.
- Start5,397 ft
- High6,460 ft
- Low4,594 ft
- Finish6,266 ft
Geometryderived
The cruxPatagonia wind, river crossings, and long dirt road connectors (near mile 40)
Course DNA
The Course
Ultra Trail Amanecer Comechingón runs 100 km through Argentina. +9,319 ft gain and -8,449 ft loss. Surfaces skew 75% trail / 20% dirt road / 5% paved. Patagonia wind, river crossings, and long dirt road connectors. High point near 6,460 ft. Low near 4,594 ft. October temps run 40°F to 80°F. The course rewards patience early and punishes rushed descents after mile 31.
The Work
Train for 9,319 feet of climbing across 100 km. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 26 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 40.
Kit
October in Argentina: plan for 40°F to 80°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 26 hours pushes past dark. Poles help on sustained climbs above mile 16. Vest capacity for 2 liters minimum. Shoes matched to 75% trail: lugs for mud, rock plate if the course turns technical after mile 31.
Race Day
Hold effort through mile 16. The field often splits on the first big climb after mile 31. Patagonia wind, river crossings, and long dirt road connectors near mile 40 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 21 miles of fatigue management. Finish with reserve for the last descent.
Official siteBack to racesPredict your timeTrain for this raceCheck readinessFoot care plan