The IWSL began in 2017 with four teams comprised of 60 collegiate women fastpitch softball players. 2024 will be the 8th season for the IWSL summer league which plays two doubleheaders (4 games) on Sundays in June & July. 

DH game times are (11am & 1pm) and (3pm & 5pm) on the Sunday’s we play.

A 6 weekend, 11 games per team season schedule.  

Consult the SCHEDULES tab for Sunday game dates, TEAMS, times, standings and field locations.

Everyone plays, continuous batting order, open substitutions and all pitchers get to throw on Sunday.

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    Enrollment is open to any female collegiate age player or post-graduates from any division or class of play;          

Jr. College, NAIA, NCSA, DI, DII or DIII 

The league has 60 player positions available and will remain open until all open 60 spots are filled.  

A Super-Sub list is available for players who wish to play on a stand-by basis, there is no enrollment fee to be a Super-Sub.  A no questions asked enrollment waiver is available for players who need an enrollment sponsorship.

Teams are drafted in May and listed under SIGN-UP. Opening Day 2024 is June 2nd at Mount Mercy University. 

As of 2023 there have been over 300 players representing over 60 different collegiate schools participating in the IWSL. 

The league offers competitive fastpitch games in a relaxed and friendly atmosphere with collegiate officials. Teams do not hold practices and play on some of the nicest fields available with team sponsor uniforms.

— The IWSL is a registered 501 c3 non-profit organization —

Iowa High School Seniors can participate in the league only after their high school season has concluded in July.