The Challenge Kołobrzeg-Bornholm is a 100 km solo or relay challenge between Kołobrzeg and Borholm in Poland in the southern and southwestern part of the Baltic Sea. It is part of the Extreme Baltic Challenge in Poland organized by Sebastian Karaś and Maciej Stachowicz.
Tidal flows with anticipated strong winds and 13-18°C water temperatures,.
Extreme Baltic Challenge Events
- 8 km Challenge Tolkmicko-Krynica Morska
- 12 km Challenge Rewa-Jastarnia
- 18 km Challenge Gdynia-Hel
- 100 km Challenge Kołobrzeg-Bornholm