Värmdö, Stockholm, Sweden · Saturday, September 19, 2026

Fixed Distance 50 mi

Värmdö Ultramarathon - VUM 80K

16 days to go

80 km Distance

1,500 m Climbing

6.3 Grit · Hardcore

59.3409° N, 18.7985° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 19 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 8 hours 6:00 min/km average. Tight. You are racing the clock from the start. Among the tightest 50 mi cut-offs we track. Measured against 445 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.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 80 km of trail with 1,500 m of ascent.

Trail Running Shoes 80 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 80 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 80 km, without the bounce.
Headlamps 80 km almost certainly means running into the night.
GPS Watches Battery life first — a 80 km day outlasts most full-GPS modes.