Overview

• Turkish coast guard and maritime police are conducting ongoing operations in the Bosphorus after Sunday’s 6.5 km event, with no sign of Nikolai Svechnikov reported.
• The Istanbul governor’s office says security cameras and the participant’s chip show the Russian coach entered the water and did not appear at the finish area.
• Event organizers report roughly 100 rescue and monitoring vessels were deployed and that the course was scanned post‑race without locating any stragglers.
• Family members and students say his belongings were left uncollected and that they raised the alarm when he was marked did not finish, adding concerns about the reliability of the electronic bracelet.
• Russian outlets report organizers floated possibilities such as fatigue, cramps or strong currents and that the search began hours after the race, accounts not independently verified by officials.