Maciel won the top-tier level club league in Brazil, the Brazilian Basketball Championship, 5 times, in the years 1965, 1966, 1969, 1977, and 1981.

With the senior Brazilian national basketball team, Maciel won a total of 8 medals at the Summer Olympic Games, FIBA World Cup, and Pan American Games.

Ubiratan Pereira Maciel played at 5 FIBA World Cups: (1963, 1967, 1970, 1974, and 1978).

He totaled 41 games played and 474 points scored during those competitions, and he won a gold medal at the 1963 tournament in Brazil.

On April 5, 2010, Maciel was announced as a member of the 2010 induction class of the Naismith Memorial Basketball Hall of Fame, as a player, and was formally inducted on August 13.