Ultra Running Hub Swieradow-Zdroj, Poland · Sunday, June 28, 2026
Fixed Distance 50K
Izery Ultra-Trail
Race completed
50 km Distance
1,134 m Climbing
4.2 Grit · Challenging
What the course asks
Climbing rate 23 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 10 hours
12:00 min/km average. Generous. Walkable throughout for most of the field. About average for a 50K. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~382 Large. Rarely out of sight of another runner.
DUV results for the 2026 edition (50km) — 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 21°C
Night low 11°C
Rainfall Mostly dry
Daylight 16 h 30 m of light
Regional 2001-2020 average for June — NASA POWER, grid elevation 361 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 50 km of trail with 1,134 m of ascent.
- Trail Running Shoes23 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles1,134 m of ascent to walk up.
- GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.