Ultra Running Hub Rajczy, Poland · Saturday, August 8, 2026
Ultramaraton Chudy Wawrzyniec 100 Km
What the course asks
DUV results for the 2024 edition (102km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, August
Regional 2001-2020 average for August — NASA POWER, grid elevation 670 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2024 | 102km | 38 | Tomas Kubicik · 11:28:22 | Ekaterina Fetisova · 14:22:50 |
| 2022 | 102km | 38 | Dominik Grzadziel · 11:05:33 | Ekaterina Fetisova · 14:51:54 |
| 2020 | 102km | 15 | Dominik Grzadziel · 11:44:43 | Magdalena Burandt · 15:35:54 |
| 2018 | 103km | 16 | Szymon Wolek · 12:22:57 | Krystyna Macioszek · 15:29:13 |
The field has held steady: 38 in 2022, 38 in 2024. 13% of the 2024 field were women.
DUV results for the 2024 edition (102km) — 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
This is a mountain course. Poles are highly recommended for the sustained climbs.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 102 km of trail with 5,115 m of ascent.
- Trail Running Shoes 50 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition Past 102 km the palate quits before the legs do — carry more than one flavour.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 5,115 m of ascent to walk up.
- Headlamps A 16 h limit puts you out there after dark.
Overview
The Ultramaraton Chudy Wawrzyniec 100 Km in Rajczy, Poland, is a trail race with 5115m of elevation gain over 102km. This translates to 50.1m of climb per kilometer, placing it among the more challenging 100k races for sustained climbing. The 16-hour time limit requires a pace of 9.4 minutes per kilometer, which is tighter than 61% of comparable 100k races.
With 38 finishers in its latest 2024 edition, this race has a field size larger than 51% of 314 other 100k races. The event, organized by Fundacja Krok do Natury, has been held 4 times since 2018, with the next edition scheduled for August 8, 2026.
Similar races
Other 100K trail ultras, closest in distance first.