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

50.9092° N, 15.3431° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

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 1034 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.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	382	Michal Stawinski · 04:05:15	Agata Czech · 04:44:15
2025	50km	192	Jacek Sobas · 03:53:27	Emilia Grochalska · 04:36:42

The field grew 99% between 2025 (192) and 2026 (382). 34% of the 2026 field were women.

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.

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 50 km of trail with 1,134 m of ascent.

Trail Running Shoes 23 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 1,134 m of ascent to walk up.
GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 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

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Black Diamond

Distance FLZ

Lightweight folding trekking poles with FlickLock Z adjustment. 340g per pole.

$170 ★★★★★ 4.7

Garmin

Enduro 3

Ultra-endurance GPS watch with solar charging and 300+ hour battery in GPS mode.

$900 ★★★★★ 4.8

All gear guides →

Overview

The Izery Ultra-Trail is a 50k trail race taking place in Swieradow-Zdroj, Poland, on June 28. With 1134 meters of elevation gain over 50 kilometers, the course presents 22.7 meters of climb per kilometer. The latest edition saw 382 finishers, placing it among the largest 50k races, with a bigger field than 96 percent of 2654 peer events.

A 10-hour time limit means runners must maintain a pace faster than 12 minutes per kilometer. This cut-off is tighter than 42 percent of 1013 comparable 50k races, requiring consistent effort throughout the course. The race has been held 2 times, with the first edition in 2025 and the latest in 2026.

Similar races

Other 50K trail ultras, closest in distance first.