Ultra Running Hub Värmdö, Stockholm, Sweden · Saturday, September 19, 2026
Fixed Distance 50K
Värmdö Ultramarathon - VUM 50K
Race completed
50 km Distance
700 m Climbing
3.6 Grit · Challenging
What the course asks
Climbing rate 14 m / km
Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 13 hours
15:36 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 82% of 50K races. Measured against 1058 races of the same distance. Cut-off calculator →
Typical conditions, September
Daytime high 16°C
Night low 11°C
Rainfall Mostly dry
Daylight 12 h 37 m of light
Regional 2001-2020 average for September — NASA POWER, grid elevation 15 m. Not a forecast.
Course notes
- terrain This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 700 m of ascent.
- Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 50 km, without the bounce.
- Headlamps A 13 h limit puts you out there after dark.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Overview
The Värmdö Ultramarathon 50K was a trail race that took place in Värmdö, Stockholm, Sweden on September 19, 2026. This 50-kilometer event presented 700 meters of elevation gain, which means 14 meters of climb per kilometer.
Runners had 13 hours to complete the course, a cut-off tighter than 18% of 50k cut-offs, or more generous than 82% of 50k cut-offs among 1055 peer races. This time limit allowed for a pace of 15.6 minutes per kilometer. The entry fee was 545SEK.
Similar races
Other 50K trail ultras, closest in distance first.