He made his first Olympic appearance as one of three competitors representing the Netherlands Antilles at the 2004 Summer Olympics. He bore their flag in the opening ceremony. The 2004 season also saw much improvement in his times as he knocked 0.16 off his previous year's personal record with a 10.13-second run in Santo Domingo. Martina won the 100 m bronze medal at the 2005 Central American and Caribbean Championships and also anchored the Netherlands Antilles team to a national record time in the 4×100 metres relay to win a silver medal. He led the team to the final at the 2005 World Championships in Athletics and improved the national record further to 38.45 seconds for sixth place. He competed in the individual 100 m but was knocked out in the second round.