[1] Competing in two road events, his best finish was seventh, achieved in the individual time trials.
[1] In November 2008, Oroza participated in a Paralympic sports exhibition for schoolchildren in Bilboa.
[4] In 2009, he earned a bronze medal and had a fifth-place finish at the UCI World Road Cycling Championships in Bogogno, Italy.
[1] At the 2011 UCI Road World Championships in Denmark, he earned a silver and bronze medal.
[7] In July 2013, Kaletxiki, Andoain held a festival which included an adaptive bicycle race.