The longest, uninterrupted unassisted swim on the Danube River
*THIS RECORD HAS BEEN REVOKED. After thoroughly reviewing new evidence regarding the record and consulting with international authorities, we have made the decision to revoke this world record. Our commitment to maintaining transparency and integrity in the verification process is paramount, and we take these matters seriously to uphold the highest standards Tsanko Tsankov is a Bulgarian swimmer, multiple national champion, World Winter Swimming Champion, Master of Sport, holder of the Black Sea Record, and the first person in history to swim across the waters of Bulgaria’s largest bay, Burgas Bay. Tsankov has successfully completed two of the most challenging marathons in the world as part of the Ocean Seven challenge — the Catalina Channel (USA) and the Cook Strait (New Zealand).He is the first Bulgarian to swim across the Strait of Gibraltar (from Europe to Africa), which was successfully completed in a wetsuit on September 9, 2022. He has…