Yasemin Altintas

Yasemin Altintas after completing the Triple Crown of Open Water Swimming in July 2024

Yasemin Altintas is a Turkish open water swimmer.

Open Water Swimming Highlights

On 18 May 2025, she attempted a 45 km crossing of the Molokai Channel between Molokai Island to Oahu in a tandem swim with Murat Öz. At 2:02 am, Öz was bitten by a cookiecutter shark and was pulled from the ocean, aborting their tandem swim by escort pilot Michael Twigg-Smith.
She achieved Triple Crown of Open Water Swimming.
On 7 September 2023, she completed a 32.3 km crossing of the Catalina Channel from Santa Catalina Island to the Palos Verdes Peninsula in Southern California in 13 hours 4 minutes in a tandem swim with Murat Öz.
3 June 2024, she completed a 45.9 km circumnavigation swim around Manhattan Island called 20 Bridges.
On 28 July 2024, she completed a 33.5 km crossing of the English Channel in 14 hours 35 minutes.