Rogošić swam 225 km (139.8 miles) across the Adriatic Sea in 50 hours and 10 minutes without a wetsuit, a Guinness World Record for the longest sea swim.
Record no. MRB-2026-006329
Longest open-water sea swim
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.