;
Cycling •
Colombian athletes win both gold medals in the road cycling time trial events. ;
Equestrian • The
United States wins the gold medal in the team dressage event, successfully defending their championship for the fourth straight Pan American Games. ;
Gymnastics •
Brazil wins the group event by shocking favourites
Canada for the title, in the process claiming its second straight title. ;
Modern pentathlon •
Óscar Soto of the hosts
Mexico wins the gold medal in the men's individual event, as three other athletes along with Soto from
Guatemala,
Chile and
United States qualify for the
2012 Summer Olympics in London, Great Britain. ;
Shooting •
Daryl Szarenszki wins the gold medal in the 10m air pistol event with a new Pan American record in the qualifications and finals. Dorothy Ludwig of
Canada wins the women's event, coming back on the last shot to win by 0.1 points and qualify a spot for
Canada at the
2012 Summer Olympics. ;
Swimming •
Brazil and the
United States continue their dominance in the pool with Brazil picking up three gold medals, while the United States picking up the rest with two. ;
Taekwondo •
Jhohanny Jean of the
Dominican Republic wins the second straight gold medal for his country the men's 68 kg event, while
Irma Contreras of
Mexico wins the gold medal in the women's 57 kg event. • Athletes with a
* competed in preliminaries only and received medals. ==Day 4 – October 17==