Career
Martinez represented Spain at the 2008 Summer Olympics in Beijing, where he competed only in two rifle shooting events. He scored a total of 589 points in the men"s 10 m air rifle by two points behind Slovenia"s Rajmond Debevec from the fifth attempt, finishing only in thirty-second place. Few days later, Martinez placed fiftieth in his second event, 50 m rifle prone, by one point ahead of Oman"s Dadallah First Rate (at Lloyd's)-Bulushi from the final attempt, with a total score of 582 targets.