Ultra Running Hub Oslo, Norway · Saturday, June 20, 2026
Fixed Distance 50 mi
Nordmarka Skogsmarathon
Race completed
63 km Distance
1,195 m Climbing
4.9 Grit · Challenging
What the course asks
Climbing rate 19 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Field size ~48 Small. Long stretches with nobody in sight.
DUV results for the 2026 edition (63km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, June
Daytime high 18°C
Night low 9°C
Rainfall Showers likely
Daylight 18 h 50 m of light
Regional 2001-2020 average for June — NASA POWER, grid elevation 259 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a rolling 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 63 km of trail with 1,195 m of ascent.
- Trail Running Shoes63 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition63 km of self-supported fuelling between aid stations.
- Hydration VestsFlask capacity for 63 km, without the bounce.
- GPS WatchesBattery life first — a 63 km day outlasts most full-GPS modes.
Similar races
Other 50 mi trail ultras, closest in distance first.