The USA Softball adult program has served as the backbone of the association since it's beginning in 1933.

USA Softball provides varied programs of competition for adults including fast pitch, slow pitch and modified pitch for men and women. USA Softball also offers programs in 16-inch slow pitch.

Whether a player views softball as an opportunity for socialization with friends, or as a path to one of USA Softball's 100 National Championships, USA Softball has something for them. USA Softball offers local programs in state/metro associations across the country. 



Adult Player Information

USA Softball provides varied programs of competition for adults including fast pitch and slow pitch for men and women. USA Softball also offers programs in modified pitch and 16-inch slow pitch.

The following are Code and Playing Rule Changes with Comments that will be affecting the Adult Division effective January 1, 2019 unless otherwise noted.

 Playing Rule Changes with Comments

 Code Changes with Comments

 

Click here to see all Playing Rule, Code, Procedural Manual changes and the USA Softball Bylaws.

At the National level, USA Softball conducts several Adult Fast Pitch National Championships each year, including Men's Major Fast Pitch, Masters and Senior National Championships. 

Each state/metro association may offer additional opportunities for league or tournament play. 

Things to note for Fast Pitch:

- A 10th player, known as the Designated Player or DP, may be used in a starting lineup.  A DP will bat in the lineup in lieu of a defensive-only player known as the Flex.

- A windmill or "slingshot" underhand pitch is used to deliver the pitch.

- Pitches can reach up to 65-70 for women while men can reach a top speed of 75-80.

- The pitching arm may pass the hip twice but may not make two full revolutions.

- Bases are set at 60' apart.

- Pitching distance is 43' for women and 46' for men

- The minimum fence distance is 200' for women and 225' for men

To find out more information on the Adult Fast Pitch program, please click here >>

At the National level, USA Softball conducts numerous Adult Slow Pitch National Championships each year, including Men's Super, Women's Open and Senior Slow Pitch National Championships. 

Each state/metro association may offer additional opportunities for league or tournament play. 

Things to note for Slow Pitch:

- A starting lineup consists of 10 players.

- On defense, teams can place the additional fielder either on infield (known as the Middle Infielder) or in the outfield.

- Teams may bat an 11th batter known as the Extra Player or EP.  This player may only be used for offense.

- The pitcher must deliver the ball towards home plate on the first forward swing of the pitching arm past the hip with an underhand motion.

- The ball is delivered with perceptible arch and must reach a height of at least 6' from the ground while not exceeding 10' from the ground.

- Bases are set at 70' apart.

- The pitching distance is 50'.

- The minimum fence distance is 265' for women, 275' for coed and 300' for men and senior divisions.

To find out more information on the Adult Slow Pitch program, please click here >>

At the National level, USA Softball conducts the Men's 10-Man Modified Pitch National Championship.

Each state/metro association may offer additional opportunities for league or tournament play. 

Things to note for Modified Pitch:

- No windmill or slingshot pitch is allowed.  Rather, an underhand pitch is delivered.

- For 9-Man Modified Pitch, at the release of the pitch the pitcher's hips and shoulders must be squared to home plate.

- For 10-Man Modified Pitch, at the release of the pitch the pitcher's elbow must be locked at the point of release while their hips and shoulders must be squared to home plate.

- The pitching distance is 43' for women and 46' for men. 

To find the Modified Pitcher's List, please click here >>

Largely played in the Chicago-area, at the National level USA Softball conducts a Men's Major 16-Inch Slow Pitch National Championship at the National level.

Each state/metro association may offer additional opportunities for league or tournament play. 

Things to note for 16-Inch Slow Pitch:

- Participants play with a 16" softball and do not use gloves or mitts.

- The pitching rules are similar to Slow Pitch.

- The pitching distance is 38'.