Races
Fjällmaraton 100k
Sweden, July. 100 km on 75% trail. +15,197 ft of climbing. 20 hours cutoff.
- Start1,637 ft
- High3,768 ft
- Low1,562 ft
- Finish1,713 ft
- Sweden at mile 0.0
- Fjällmaraton 100k mile 13 at mile 13, cutoff 4 hours
- Fjällmaraton 100k mile 25 at mile 25, cutoff 8 hours
- Fjällmaraton 100k mile 38 at mile 38, cutoff 12 hours
- Fjällmaraton 100k mile 50 at mile 50, cutoff 16 hours
- Finish Sweden at mile 63, cutoff 20 hours
Geometrycourse math
The cruxForest trails, rolling cols, and weather swings (near mile 40)
Course DNA
The Course
Fjällmaraton 100k runs 100 km through Sweden. +15,197 ft gain and -15,121 ft loss. Surfaces skew 75% trail / 20% dirt road / 5% paved. Forest trails, rolling cols, and weather swings. High point near 3,786 ft. Low near 1,506 ft. July temps run 40°F to 80°F. The course rewards patience early and punishes rushed descents after mile 31.
The Work
Train for 15,197 feet of climbing across 100 km. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 20 hours total means limited margin: rehearse fueling every 45 to 60 minutes and downhill eccentric work weekly. Technicality 5/10. Build a block that simulates the crux near mile 40.
Kit
July in Sweden: plan for 40°F to 80°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 20 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. Forest trails, rolling cols, and weather swings 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.
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