Jelenia Gora, Poland · Friday, October 9, 2026

Fixed Distance 50K

X. UltraKotlina50

8 days to go
55.6 km Distance
2,118 m Climbing
6.0 Grit · Hardcore
50.8997° N, 15.7290° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 38 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 10 hours 10:47 min/km average. Generous. Walkable throughout for most of the field. Tighter than 71% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →
Field size ~272 Large. Rarely out of sight of another runner.

DUV results for the 2025 edition (55.6km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daytime high 13°C
Night low 4°C
Rainfall Mostly dry
Daylight 11 h 12 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 361 m. Not a forecast.

Results history

Year Race Finishers Men's winner Women's winner
2025 55.6km 272 Jakub Gorzelanczyk · 04:32:12 Zuzanna Walach-Bista · 05:59:11
2024 55.6km 254 Aleksander Badowski · 04:57:23 Agnieszka Tatarek-Konik · 05:22:29
2023 55.6km 233 Dawid Malina · 04:01:20 Jana Mikesova · 05:26:09
2022 55.6km 217 Andrzej Witek · 04:09:17 Jana Mikesova · 05:35:50
2021 55.6km 239 Roger Karwaczynski · 04:58:51 Katarzyna Konkel · 06:03:31
2020 55.6km 200 Pavel Brydl · 04:46:50 Jana Mikesova · 05:39:52
2019 47km 74 Dominik Wlodarkiewicz · 04:35:07 Katarzyna Choma · 05:22:51
2018 50km 100 Marcin Wrobel · 04:25:01 Danuta Smigielska · 05:33:40
2017 47km 46 Piotr Basinski · 05:03:51 Malwina Jachowicz · 05:44:29

The field grew 7% between 2024 (254) and 2025 (272). 25% of the 2025 field were women.

DUV results for the 2025 edition (55.6km) — 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 56 km of trail with 2,118 m of ascent.

All gear guides →

Overview

The X. UltraKotlina50 is a trail race in Jelenia Gora, Poland, held in October. With 2118 meters of elevation gain over 55.6 kilometers, the course presents 38 meters of climb per kilometer, making it a challenging 50k event.

The 10-hour time limit translates to a cutoff pace of 10.8 minutes per kilometer, which is tighter than 60% of 50k races. This leaves less margin for error or extended breaks compared to most events of this distance. The race has seen up to 272 finishers in recent editions, placing it among the larger 50k races, with a field bigger than 94% of its 2654 peers.

Similar races

Other 50K trail ultras, closest in distance first.