Wikipedia:
Martin Soriano is a Philippine openwater swimmer from Ilonggo. He was the first person on record to swim the Guimaras-Iloilo Strait, a 7.7 km (4.2 nm) crossing accomplished on 7
August 1994, starting from the Buenavista Wharf in Guimaras to the Iloilo
river wharf across the Iloilo Strait.