MONTANE JIBE JAHA 2025
- Jizerky - Beskydy / Jablonec - Havířov
- 150, 300 and 600 km
- The longest winter ultra marathon challenge in Europe
- 31.1. - 11.2. Jablonec nad Nisou, Czech Republic
About challenge and adventure
The ones who went the furthest

News
day 10
I'll follow up smoothly on the last entry. Takao really was bivouacking at Sul's Takao. In the end, it wasn't in front of the chapel, but in a wooden ruin. They said it was...
Day 9
The weather on the ninth day was exceptional here in Beskydy. It was spring 7 degrees in the foothills and a few degrees less on the ridge. There it added...
DAY 8 (almost 7)
In the evening, before I went to bed, I threw on paper a complex inequality about one unknown. That was Ivana's arrival at the finish line. I added the coefficient...
DAY 7
When I woke up in the morning and looked out the window, it was white everywhere. It was a beautiful sight. I don't think Takao would say the same, nor would Martin, who both...