The first Olympic Games were held in Athens, Greece, in 776 BC and featured only one event: a 200-yard footrace. However, by the time of the first Modern Olympics in 1896, the event had expanded to include nine sports and 43 events. Since then, the scope of the Olympics has continued to grow. The Tokyo 2020 Olympics featured 33 sports and 339 events, with over 470 more athletes than any previous Games. The Summer Olympics, held every four years, have grown significantly from their modest beginnings in 1896. Here is a comprehensive list of all the sports included in the Olympics:

Aquatics Aquatics events at Tokyo 2020 were divided into Swimming and Diving. Swimming featured individual events like freestyle, butterfly, backstroke, breaststroke, and medley across various distances for both men and women. Team events included freestyle and medley relays. Diving had 3m springboard and 10m platform events for both men and women.

Archery Archery competitions include Men’s individual and team, Women’s individual and team, and mixed categories.

Athletics Athletics events encompass:

• Sprint (100, 200, 400, 800 meters)
• Long-distance (1500, 10000m for men and 5000m for women)
• Hurdles (110, 400 meters)
• Walking (20km, 50km for men)
• 3000m Steeplechase
• Decathlon for men
• Heptathlon for women
• Marathon
• Long jump
• High jump
• Discus throw
• Shot put
• Hammer throw
• Triple jump
• Javelin throw
• Pole Vault
• Relay (4100m and 4400m)

Badminton Badminton features Singles, Doubles, and Mixed doubles events.

Baseball The baseball tournament at Tokyo 2020 included six teams: Israel, Mexico, the Dominican Republic, the USA, the Republic of Korea, and Japan. Favorites were the USA and Japan.

Basketball Twelve teams competed in both Men’s and Women’s basketball tournaments, with three groups of four teams each. Favorites included the US and China in Women’s, and France and the US in Men’s.

Boxing Women's boxing includes five weight categories: featherweight, flyweight, lightweight, middleweight, and welterweight. Men’s boxing has additional categories: light heavyweight, heavyweight, and super heavyweight.

Canoeing Canoeing events are divided into Canoe Slalom and Canoe Sprint, featuring both individual and team events over various distances (200m, 500m, 1000m).

Cycling Cycling includes road cycling events and individual time trials for both men and women.

Beach Volleyball Beach volleyball is similar to indoor volleyball but played on sand with two teams of two or more players each.

Equestrian Equestrian events include dressage, eventing, and jumping in both individual and team categories.

Fencing Fencing events are divided into three types: Foil, Sabre, and Epee, with both individual and team competitions for men and women.

Field Hockey Field hockey is one of the oldest team sports in the Olympics, with men and women competing in two pools of six teams to qualify for the quarter-finals. Favorites include India, Australia, Belgium for men, and Australia, Netherlands, Germany for women.