Ninja Nation - Centennial, CO

09/07/2026

Ninja Nation, Centennial will be CLOSED today for the
Labor Day Holiday.
See you tomorrow for normal hours!

08/23/2026

🎉LAST CHANCE!!🎉 Planning a birthday celebration? Book your Ninja Nation party by August 31st and receive $75 OFF any Pizza Package! 🍕

And don’t worry, your party does NOT have to take place in August. Just get it booked before the end of the month to lock in the savings!

Ninja Nation birthday parties mean:
Tons of ninja fun
Obstacles, challenges & plenty of energy
A celebration they’ll actually remember
And $75 off your Pizza Package when you book this month!

Book by August 31st to claim the offer!

Already know your date? Get your party on the calendar before this deal disappears! 🎈

https://www.centennial.ninjanation.com/birthday-parties

08/14/2026

FREE TRIALS NEXT WEEK! Come experience Heroes in Training
FREE August 17–20 before our next 8-week session begins the week of August 24!

Built for kids ages 5–12 to build strength, confidence, coordination, and ninja skills while having a blast.

Limited spots available! Reserve your free trial and see if Heroes in Training is the right fit for your ninja.

https://clients.mindbodyonline.com/classic/ws?studioid=404528&stype=-7&sView=day&sLoc=0&date=08/17/26

08/09/2026

What a summer! We’re so proud of the THOUSANDS of heroes who joined us at Ninja Nation Centennial this summer through camps, field trips, birthday parties, Open Gym and more!

As summer winds down, we’re officially moving back to our FALL HOURS starting tomorrow, August 10:

Monday–Friday: 4PM–7PM
Saturday–Sunday: 10AM–6PM

And there’s more coming! FREE TRIAL classes begin the week of August 17, followed by our new 8-week Heroes in Training programs beginning the week of August 24.

Thank you for an incredible summer, Centennial. We can’t wait to keep building heroes this fall!

08/01/2026

🚧 Parking Notice for Today 🚧

Heads up, Ninja Nation Centennial families!

Our business complex is having parking lot maintenance completed today, and a portion of the parking lot is closed.

Please DO NOT park in the area marked with the large black "X" on the attached map. That section is closed for asphalt work and needs to remain clear.

✅ Parking is still available in the surrounding areas of the lot, including the concrete parking areas.

Please allow yourself a few extra minutes to park and walk over to the arena.

Thank you for your patience and understanding—we can't wait to see all of our ninjas today!

07/28/2026

School is back in session... and birthday party season is officially here! Celebrate with an unforgettable Ninja Nation Birthday Party and take advantage of our limited-time Back-to-School Birthday Special.

Book your birthday party by August 31st and receive $75 OFF any Pizza Package!

Every Ninja Nation birthday party includes:
• A 2-hour private party experience
• Your own dedicated Party Assistant
• High-energy ninja obstacles and challenges
• A stress-free celebration for parents
• Memories your birthday ninja and their friends will never forget

With school back in session, it's the perfect time to celebrate with classmates and friends all in one place!

This special offer is only available for parties booked through August 31st, so don't wait.

Book your party today and let us do the work while you enjoy the celebration!

Ninja Nation has the best birthday parties on the planet. The ultimate kid or adult birthday party is a great way to celebrate. Ninja time on the gym floor with endless obstacles and fun. Ninja Nation parties are safe and kids have the best time. The perfect birthday for all ages in Centennial, Colo...

07/13/2026

Heroes in Training is back at Ninja Nation Centennial!

Our next 8-week Heroes in Training (HIT) session begins the week of August 24, and registration is officially open.

Designed for kids who are ready to build confidence, strength, coordination, and ninja skills in a fun, encouraging environment, HIT is the perfect next step for new and returning ninjas alike.

Choose the option that works best for your family:
• 8-Week HIT Session: $195
• Unlimited Access Membership: Just $69.99/month and includes your weekly HIT class plus unlimited Open Gym visits.

Not sure if HIT is the right fit? Come try a FREE class during our Trial Week the week before classes begin.

REGISTER FOR A FREE TRIAL CLASS HERE:

https://clients.mindbodyonline.com/classic/ws?studioid=404528&stype=-7&sTG=32&sView=week&sLoc=0&date=08/17/26

REGISTER FOR THE 8-WEEK ENROLLMENT HERE:

https://clients.mindbodyonline.com/classic/ws?studioid=404528&stype=-126&sView=day&sLoc=0&date=08/24/26

Spots fill quickly, so reserve yours today!

Questions? Give us a call or stop by the arena. We can't wait to welcome our next class of Ninja Heroes!

07/04/2026

HAPPY 4th of JULY!
Ninja Nation is CLOSED today for the Holiday.
See you tomorrow!

06/21/2026

NINJA NATION will be CLOSED today for Father's Day.
Happy Father's Day!

05/24/2026

SUMMER HOURS START TODAY! ☀️ More time to train. More time to play. More ninja fun all summer long at Ninja Nation!

NEW SUMMER HOURS:
Monday–Friday: 10AM–5PM
Saturday & Sunday: 10AM–6PM

Summer Camp Hours: 9:00AM–3:30PM

Looking for the BEST summer deal?
Our Unlimited Open Gym Membership is just $35.99/month and gives your ninja unlimited fun all summer long!

Obstacle courses
Open gym play
Ninja training
Air tracks
Warped walls
And nonstop energy-burning fun

www.centennial.ninjanation.com

Come beat the heat and train like a ninja all summer with us!