Marathon Swimming
Records, firsts and iconic moments
4 documented moments (2026) — every world record, historic first and title win in Marathon Swimming the ICNX desk has covered, in the order they happened. Each entry links to the full story with sources.
Records and firsts
World records and never-been-done moments in Marathon Swimming.
Marathon SwimmingKubkowski First to Swim the Baltic, 160 km Nonstop
Kubkowski became the first person to swim the Baltic from Sweden to Poland, covering roughly 160 km nonstop in about 55 hours on his fifth attempt.
Marathon SwimmingMoesha Johnson: Won the women's 10km open water gold in 1:55:33 at…
Won the women's 10km open water gold in 1:55:33 at the 2026 Pan Pacific Championships (Long Beach) — Australia's first-ever open water gold medal at the Pan Pacs since the meet's 1985 inception.
Timeline
All 4 moments, oldest first.
- 2026Kubkowski First to Swim the Baltic, 160 km NonstopPioneer2 August 2026 · Ultra Baltic Swim 2026 (Sweden to Poland crossing) · Baltic Sea — Sweden to Dziwnów, Poland
- 2026Isabel Gose: Won the women's 3km knockout sprint at the 2026…Against All Odds7 August 2026 · European Aquatics Championships 2026 — Open Water 3km Knockout Sprint · River Seine, Paris, France
- 2026Florian Wellbrock: Won the men's 10km open water gold in 1:49:51 at…Legend12 August 2026 · 2026 Pan Pacific Swimming Championships · Long Beach, USA
- 2026Moesha Johnson: Won the women's 10km open water gold in 1:55:33 at…Pioneer12 August 2026 · 2026 Pan Pacific Swimming Championships · Long Beach, USA