William Duilio Aguirre Villaviconcio (born 27 December 1962) is a Nicaraguan

long-distance runner Long-distance running, or endurance running, is a form of continuous running over distances of at least . Physiologically, it is largely Aerobic exercise, aerobic in nature and requires endurance, stamina as well as mental strength. Within e ...

. He competed in the men's marathon at the

1992 Summer Olympics The 1992 Summer Olympics ( es, Juegos Olímpicos de Verano de 1992, ca, Jocs Olímpics d'estiu de 1992), officially known as the Games of the XXV Olympiad ( es, Juegos de la XXV Olimpiada, ca, Jocs de la XXV Olimpíada) and commonly known as ...

and the

1996 Summer Olympics The 1996 Summer Olympics (officially the Games of the XXVI Olympiad, also known as Atlanta 1996 and commonly referred to as the Centennial Olympic Games) were an international multi-sport event held from July 19 to August 4, 1996, in Atlanta, ...

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* 1962 births Living people Athletes (track and field) at the 1992 Summer Olympics Athletes (track and field) at the 1996 Summer Olympics Nicaraguan male long-distance runners Nicaraguan male marathon runners Olympic athletes for Nicaragua Athletes (track and field) at the 1983 Pan American Games Athletes (track and field) at the 1991 Pan American Games Pan American Games competitors for Nicaragua World Athletics Championships athletes for Nicaragua Place of birth missing (living people) Central American Games gold medalists for Nicaragua Central American Games medalists in athletics Olympic male marathon runners {{Nicaragua-athletics-bio-stub