Iskander Sagarminaga Ateaga

Iskander Sagarminaga Ateaga during his Catalina Channel crossing in 2025

Eider Eibar created a sticker for the support crew for Iskander Sagarminaga Ateaga's Catalina Channel crossing

Iskander Sagarminaga Ateaga is a 43-year-old open water swimmer from Basque, Spain.

Open Water Swimming Highlights

He completed a 14.4 tandem crossing of the Strait of Gibraltar from Spain to Morocco with Jeremias Mateo Castillo, Jordi González, and Marcos Rodríguez on 28 June 2026.
On 6 May 2026, he completed a 45 km crossing of the Molokai Channel from Oahu to Molokai in 18 hours 53 minutes with crew chief Eider Eibar.
On 15 June 2022, he completed a 51 km Round Jersey circumnavigation swim in 10 hours 9 minutes at the age of 39.
On 4 August 2023, he completed a 33.5 km crossing of the English Channel from England to France in 11 hours 3 minutes.
On 29 June 2025, he completed the 45.9 km 20 Bridges Swim around Manhattan Island in New York City in 7 hours 58 minutes at the age of 42.
On 8 July 2025, he completed a 32.3 km crossing of the Catalina Channel from Santa Catalina Island to Palos Verdes Peninsula in Southern California in 12 hours 17 minutes to achieve the Triple Crown of Open Water Swimming at the age of 42 with crew chief Eider Eibar.
On 12 June 2016 and 9 June 2019, he completed the 25 km Menorca Marathon Swim in Spain in 7 hours 49 minutes and 8 hours 9 minutes, respectively.
On 27 August 2016, he completed the 30.8 km UltraEbre Swim Marathon in Spain in 6 hours 23 minutes at the age of 33.
On 10 June 2023, he completed the 25 km Batalla de Rande in Spain in 7 hours 29 minutes at the age of 40.