Ultra Running Hub Stockholm, Sweden · Saturday, August 22, 2026
Hjorthagen Ultra Trail 100 - 50M
What the course asks
Typical conditions, August
Regional 2001-2020 average for August — NASA POWER, grid elevation 27 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 82 km of trail with 213 m of ascent.
- Trail Running Shoes 82 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 82 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 82 km, without the bounce.
- Headlamps A 16 h limit puts you out there after dark.
- GPS Watches Battery life first — a 82 km day outlasts most full-GPS modes.
Overview
The Hjorthagen Ultra Trail 100 - 50M is a fixed-distance trail race in Stockholm, Sweden, on August 22, 2026. Runners face a gentle course with only 2.6 meters of climb per kilometer over its 81.9-kilometer length, making it a relatively flat 50-mile event.
With a 16-hour time limit, the 11.7 minutes per kilometer cut-off pace is more generous than 41% of 458 comparable 50-mile races. The course consists of 7426 meters of gravel and motion tracks, 3800 meters of trail, and 274 meters of asphalt per lap, with 213 meters of elevation gain on each of the 7 laps.
Similar races
Other 50 mi trail ultras, closest in distance first.