Teófilo Yldefonso

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Teófilo Yldefonzo
Teófilo Yldefonso 1928.jpg
Teófilo Yldefonso at the 1928 Olympics
Personal information
Full name Teófilo E. Yldefonzo
Nickname(s) "Ilocano Shark"
Born (1903-11-05)November 5, 1903
Piddig, Ilocos Norte, Philippines
Died June 19, 1942(1942-06-19) (aged 38)
Capas, Tarlac, Philippines
Height 1.70 m (5 ft 7 in)
Weight 73 kg (161 lb)
Sport Swimming
Strokes Breaststroke

Teófilo E. Yldefonzo (November 5, 1903 – June 19, 1942)[1] was a Filipino breaststroke swimmer. He is the first Filipino and Southeast Asian to win an Olympic medal, and the only Filipino to win multiple medals.


Born in Sitio Bayog, Bgy.4, Bimmanga, Piddig, Ilocos Norte, he began swimming at the Guisit River as a small boy. He started competing in 1921 and collected a total of 144 medals over the next 16 years.[2] He won two bronze medals in the 200 m breaststroke event, at the 1928 and 1932 Olympics, and placed 7th in 1936.

During World War II, Yldefonzo fought against the Japanese in Bataan. He survived the Bataan Death March, but later died at the Capas Concentration Camp. His remains have never been recovered.

His daughter Norma Yldefonzo competed in 2nd Asian Games held in Manila, Philippines and won Silver medal in 100m butterfly event.


  1. ^ Teófilo Yldefonzo. sports-reference.com
  2. ^ Lt.Teofilo Yldefonzo’s monument unveiled. ilocostimes.com. February 19, 2006