Indoor Baseball and Softball Training Facility

is located in Urbandale and is central Iowa’s most experienced indoor training facility for baseball, softballand strength and conditioning. Grand Slam U.S.A. has been serving Des Moines and the surrounding areas for over 15 years. A number of players that we have helped develop over the years have earned high awards including: All-State andAll-American honors. Some have even earned professional contracts. Grand Slam U.S.A.’s coaching staff has over 20 years experience working with kids in private lessons, small groups and camps. We pride ourselves in offering the highest quality instructors, equipment, and facility to meet anyone’s needs, regardless of what level they are trying to reach.

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Softball Clinics

We are offering Softball Hitting and Slappers Clinics! They will be grouped by age (7-10) (11-13) (14-18) for the Hitting Clinics. The Hitting Clinics are 6 weeks. The Slappers Clinics are 4 weeks and are for ages (10-18). Our programs are limited to 6 players per group and will incorporate the advantages of training in a “state-of-the-art” facility and learning the most advanced techniques involved in hitting. The Development Program offers players the opportunity to maximize their potential  leading up to their first day of practice. Don’t wait for the season to begin, start working NOW!!! To sign up click on the link below.

Slappers Clinic

Softball Hitting 2015

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2015 Clinics

Our Clinics start up again in January. Our clinics are 6 weeks. We offer Hitting, Pitching,Catching, and Baseball Fundamentals. Each clinic has multiple sessions. We only allow 3 players per session so they get a lot of one on one instruction.  Below are the sign up forms for each clinic. You can also call us at 278-1070

2015 Hitting

2015 Catching

2015 Pitching

2015 Baseball Fundamentals


Softball Clinics:


Softball Hitting 2015


Slappers Clinic

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Pitching Lessons with Jeremy Hellickson

For a LIMITED TIME ONLY you can sign up for pitching lessons with current Major League Pitcher and Hoover grad Jeremy Hellickson. He will be available for lessons from 9am to 11am on the following Sundays: Nov 16th, 23rd and 30th, Dec. 7th, 14th, and 28th, Jan. 2nd, 11th and 25th. To set up lessons call Grand Slam between the hours of 10am-4pm Monday through Friday and ask for Jim or Mick. 515-278-1070

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Fall League Playoffs

Scores from Fall League Playoffs October 19th :


#1 A’s 9 #12 Reds 1

#11 Padres 12 #2 Marlins 1


#1 A’s 8 #11 Padres 2



Coach: Eric Evans


Hunter Dunbar

Daniel Eaton

Brady Hanson

Spencer Hanson

Caleb James

Mark Primrose

Robert Primrose

Tyler Ross

Seth Sarver

Parker Schutt

Bennett Spry

Billy Torgerson

Wade Votroubek











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2014 Christmas Camp

Attention Customers, Grand Slam USA is now taking registration for our 2014 Christmas baseball camp.  During the camp, we will work on every phase of baseball from hitting, pitching, fielding, baserunning, sliding and everything in between.  Players will be put through drills and instruction that will be reinforced through games, contests and the use of top quality training equipment.  Camp is limited to 40 players.  Sign up early!

The camp will run from December 29th through December 31st, from 9am until 12noon.. Any questions call Grand Slam USA at 515-278-1070.

Attached is the registration form.

2014 Christmas Camp Registration Form

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2014 Summer Clinics

At Walnut Creek Little League
9:00AM - 12 Noon
Ages 7-12

Grand Slam USA announces its Summer Baseball Clinics. This year, Grand Slam will be offering three different 6 week clinics that will cover Hitting and Bunting, Infield and Outfield, Pitching and Catching (positional). Each camper will receive a Grand Slam 2014 Summer Clinic t-shirt)
Please see the Lessons/Clinics/Camps page to print off the registration form.

Grand Slam USA Partners

Grand Slam USA and Peak Performance are glad to welcome F3 Fire Basketball to the facility! F3 Basketball is a not-for-profit program targeted at building, educating, and training our youth in competitive basketball, while mentoring life skills for each player to enable them to reach their full potential to perform at higher levels, on and off the court.

Please visit their websites below for more information on Peak Performance and F3 Basketball

Get In Touch!

Address: 4137 120th Street, Urbandale IA 50323

Telephone: 515.278.1070

FAX: 515.278.0848