Complex sentence: Fernández Ochoa retired from international competition at age 30, following the 1980 World Cup season, and finished with four World Cup podiums (top 3) and 30 top ten finishes.
Split into simpler sentences: Fernández Ochoa retired from international competition at age 30, following the 1980 World Cup season. He finished with four World Cup podiums (top 3) and 30 top ten finishes.