Ninja U is a unique gym in Cedar Falls, Iowa. And when we say unique, we absolutely mean that in the best possible way. In fact, working out here might just be the most fun you’ll have all year. Yes, really.

At Ninja U, don't come looking for rooms full of treadmills, exercise bikes, and rowing machines. Instead, come looking for rooms filled with trapezes, climbing walls, obstacle courses, and cushioned floors. Come looking for a dodgeball pit. Come looking for rock climbing. Coming looking for Mount Everest.
Ninja U / Facebook
It's like one giant indoor playground, fun for both kids and adults!
Ninja U / Facebook
Think obstacles and courses like Warped Walls (up to 14.5 feet high!), Ring Toss, Bar Hopper, Spider Wall, Floating Bridge, Tilting Ladder, Hanging Doors, Devil Steps, Floating Monkey Bars, and more! There's always something new to try here.
There are several ways to play at Ninja U.
Ninja U / Facebook
Pop in during their open training hours. Basically, this is whenever the gym is open.
Ninja U / Facebook
Sign up for a class. There are options for all ages and ability levels, including toddlers!
Ninja U / Facebook

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Book a Ninja party. This is a great way to celebrate a birthday, especially for the active kids in your life. Ninja U birthday parties automatically include up to 11 guest participants (not including any spectators), and additional participants can be added.
Ninja U / Facebook
Whether you're here for open gym, a class, or a party, all participants AND spectators must fill out a waiver. Print the waiver ahead of time on the Ninja U website to save time and hassle once you arrive at the gym.
Ninja U / Facebook
Here are a few other helpful tips: no sandals, boots, or just socks are allowed for those using the gym equipment. Opt for clean, dry athletic shoes instead.
Ninja U / Facebook
This gym has a purposefully family friendly vibe (it was founded and is run by two Iowa dads), and even toddlers are welcome. The space includes a Little Ninjas play area specifically designed for young children, but the whole gym is a fun place for even the youngest athletes to explore.
Ninja U / Facebook
Many of the trainers and trainees at Iowa's Ninja U gym are actually official American Ninja Warriors! That's right, you can see them on TV.
Ninja U / Facebook
Finally, Ninja U is growing. Watch for new locations to be added in addition to this original ninja gym here in Cedar Falls, Iowa.

Find Ninja U at 5911 University Ave Suite 350 in Cedar Falls. Learn more about this crazy fun ninja gym and its hours, classes, admission prices, and more at the Ninja U website. The gym is also on Facebook. Love indoor fun? Ninja U isn’t the only massive indoor playground for kids or adults in Iowa!

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Ninja U, 5911 University Ave Suite 350, Cedar Falls, IA 50613, USA