Kolmården Ultra Trail 45K

Race completed

45 km Distance

850 m Climbing

3.5 Grit · Challenging

58.6408° N, 16.6285° 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 10:40 min/km average. Generous. Walkable throughout for most of the field. Tighter than 85% of Marathon races. Measured against 46 races of the same distance. Cut-off calculator →

Field size ~60 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (45km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, July

Daytime high 21°C

Night low 15°C

Rainfall Mostly dry

Daylight 18 h 12 m of light

Regional 2001-2020 average for July — NASA POWER, grid elevation 25 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 45 km of trail with 850 m of ascent.

Trail Running Shoes45 km of trail — cushioning that is still there in the last quarter.
Race Nutrition45 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 45 km, without the bounce.
GPS WatchesBattery life first — a 45 km day outlasts most full-GPS modes.

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Skratch Labs