Juan Luis Marén had the following finishes at major championships – 1991 World Championship: 62.0 kg. Greco-Roman (3rd); 1993 World Championship: 62.0 kg. Greco-Roman (3rd); 2001 World Championship: 63.0 kg. Greco-Roman (4th); 1997 World Championship: 63.0 kg. Greco-Roman (6th); 2002 World Championship: 66.0 kg. Greco-Roman (8th); 1995 World Championship: 62.0 kg. Greco-Roman (10th); 1994 World Championship: 62.0 kg. Greco-Roman (12th); 2003 World Championship: 66.0 kg. Greco-Roman (14th); 1999 World Championship: 63.0 kg. Greco-Roman (24th); 1991 Pan-American Games: 62.0 kg. Greco-Roman (1st); 1995 Pan-American Games: 62.0 kg. Greco-Roman (1st); 1999 Pan-American Games: 63.0 kg. Greco-Roman (1st); 2003 Pan-American Games: 66.0 kg. Greco-Roman (1st); 1990 Central American Championship: 62.0 kg. Greco-Roman (1st).