NiedamiRun - Ultramarathon Sudecki 100km

Race completed

96 km Distance

3,970 m Climbing

10.0 Grit · Elite / extreme

50.6902° N, 15.8795° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 41 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 18 hours 11:15 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 66% of 100K races. Measured against 208 races of the same distance. Cut-off calculator →

Field size ~16 Tiny. You will run alone for most of it.

DUV results for the 2025 edition (96km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, August

Daytime high 24°C

Night low 13°C

Rainfall Mostly dry

Daylight 15 h 00 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 456 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

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 96 km of trail with 3,970 m of ascent.

Trail Running Shoes41 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition96 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles3,970 m of ascent to walk up.
HeadlampsA 18 h limit puts you out there after dark.

Adidas