Career
Anentia competed at the 1956 Summer Olympics, but failed to advance past 5000 metres heats. He competed at the 1960 Summer Olympics and finished 19th over 10000 metres and was to participate the marathon race, but did not start.
Anentia competed at the 1956 Summer Olympics, but failed to advance past 5000 metres heats. He competed at the 1960 Summer Olympics and finished 19th over 10000 metres and was to participate the marathon race, but did not start.
He won 3 miles at the 1958 American Automobile Association Championships At the 1958 British Empire and Commonwealth Games, he finished third in the 6 miles race. By this result he became the first Kenyan athlete to win a medal at any intercontinental championships, together with Bartonjo Rotich, who won bronze medal over 440 Yards Hurdles.