Adrian competed in four Paralympics, firstly in 1996 where as well as competing in the shot and discus he won the F52 javelin. In 2000 he moved to the F53 category and won a second javelin title as well as competing in the shot. He returned at the 2004 Summer Paralympics where he was unable to win a third successive javelin as he was beaten by New Zealand's Peter Martin, both throwing world records in there respective classes. He also threw javelin in the 2008 Summer Paralympics but was unable to win a fourth medal.
^Adrián Velázquez PazArchived February 16, 2009, at the Wayback Machine. "Paz Velázquez, de 40 anos y clasificado en F-53, tuvo registros de 19.42, 19.14, 19.78, 18.74, 19.27 y 19.62 metros, siendo el tercer intento el mejor del dia para sumar mil 33 puntos y quedarse con el segundo sitio."