The NRA posts competition events monthly.
I see an Indoor Pistol league listed in Iowa-
IOWA, Osage: IN, Nov.-Mar.; D. Cassman, P.O. Box 214, Osage, IA 50461;
dougcassman@gmail.com
Here is the link to this months (October 2022) listings-
Here is where you can find the monthly list-
Are you searching for an NRA Sanctioned Tournament? Plan your next match using our listing of NRA matches nationwide
www.ssusa.org
The CMP also has a listing of upcoming matches-
View a list and learn more about upcoming competitions and clinics through the links provided on this page.
thecmp.org
More CMP Pistol info:
Experienced and beginning pistol shooters can find a variety of opportunities to shoot in local, regional and national competitions.
thecmp.org
The NRA also offers a Marksmanship Qualification Program that you can start on your own.
It has Qualifications for Pistol, Rifle, and Shotgun.
Each Qualification gives shooting skills development levels in each program.
Normally the Distinguished Expert requires an instructor or NRA member as a witness.
There are badges, patches and certificates for each type of Shooting Sport-
https://materials.nrahq.org/
A good introduction to competitive shooting from this forum:
The competitive shooting sports are one of the best ways to both enjoy your favorite firearms while simultaneously improving your skills.
www.thearmorylife.com