Cuenca, Spain
Ocaña was born in Priego, Cuenca, Spain but his family moved to Mont-de-Marsan (Landes, France) in 1957. Ocaña took up racing with a club in Mont-de-Marsan and began his professional career in 1968 with the Spanish Fagor team, becoming Spanish champion that year. The following year he won the prologue and two time trials, the mountains classification as well as finishing second in the Vuelta a España.