Rafał Mazur

30-year-old Bartłomiej Kubkowski will attempt a 170 km crossing of the Baltic Sea from Sweden to Poland in August 2025 in the Ultra Baltic Swim

Rafał Mazur is part of the Ultra Baltic Swim, a 170 km assisted solo marathon swim by 30-year-old Polish pool and ice swimmer Bartłomiej Kubkowski from Giżycko, Poland who will start on 17 August 2025 in a charity swim for the Cancer Fighters Foundation. This is Kubkowski's fourth swim attempt from Sweden to Poland and is estimated to take him 60 hours without sleep.

Ultra Baltic Swim Support Team

• mental coach Rafał Mazur
• nutritionist Damian Wiatrowski
• trainer Bartosz Paszkowski
• physical therapist Andrzej Tryniszewski
• support crew member Przemysław Zawalich
• support crew member Maksymilian Wysocki
• support crew member Stanisław Klimaszewski
• support crew member Wojciech Rząsa

External links

• Bartłomiej Kubkowski Is Pulled After 159 km of the 170 km Ultra Baltic Swim
• Try, Try, Try, Try Again - Bartłomiej Kubkowski to Attempt the 170 km Ultra Baltic Swim Tomorrow
• @Bartłomiej Kubkowski
• Ultra Baltic Swim
• Cancer Fighters Foundation
• @wavemarketing.pro