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Des Moines' Most Complete Indoor Baseball & Softball Training Center
Home of USA Prime Select Teams.
​Indoor facility rentals, professional lessons, camps, clinics, and club teams for players of all ages and skill levels in the Greater Des Moines area.
Space fills quickly during the off-season. Reserve your time today!​
What We Offer
Lessons, Camps, Clinics
Year-round individual lessons, small-group clinics, and seasonal camps led by experienced instructors focused on hitting, pitching, catching, and defense.
Club & High School Programs
Train and compete through Grand Slam club baseball, high school indoor leagues, and off-season training opportunities for serious players.​
Facility Rentals
Reserve tunnels or indoor turf for individual work or full-team practices, with flexible options for travel, rec, and high school programs.
Programs Powered by Grand Slam USA
Iowa Slammers Fastpitch
The Iowa Slammers fastpitch program offers competitive 12U–18U teams focused on development, culture, and preparing athletes for the next level.
Grand Slam Strength
Grand Slam Strength delivers speed, strength, and agility training designed to help athletes move better, perform at a higher level, and stay healthy.
Why Train at Grand Slam USA?
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Over 30 years serving baseball and softball athletes in Greater Des Moines.​
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Professional instruction from experienced coaches and former college players.​
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Year-round indoor space for teams, small groups, and individual players.​
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Integrated support with club teams, Slammers fastpitch, and strength training.
