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Ganbaru Detroit Ninja Gym

Saturday, March 13, 2021 (Youth)

Sunday, March 14, 2021 (Adults)

2021 UNAA World Ninja Challenge in Detroit

Ganbaru Detroit Ninja Gym is hosting the World Ninja Challenge on March 13th & 14th, 2021, alongside other ninja gyms across the country and across the globe in different countries using one universal course. 

The top 3 in each class will receive a medal. The Top 3 in each gym will qualify for Regionals.

The Youth Course will begin at 9:00 am which consist of Boys & Girls Ages 6-11. The Adult Course will be for ages 12 & older to adults including age groups 40+, Amateurs & Pros. 

Early, early bird price $50 thru February 6th

Early bird price $60 thru March 6th 
Regular price $65 on & after March 7th 

First ticket is included; 2nd spectator ticket is $10. (Max 2 per competitor)

This will be the world's largest coordinated ninja obstacle competition in history where you can "Overcome to Become Your Best"!

*FOR THE 1ST TIME EVER, the exact obstacle course will be available to train on at our gym within 2 weeks prior to the World Ninja Challenge during special Open Gym sessions:

Thursday, March 4th     6:00 pm - 7:30 pm

Saturday, March 6th     1:30 pm - 3:00 pm

Thursday, March 11th   6:00 pm - 7:30 pm

Friday, March 12th        6:00 pm - 7:30 pm

Cost is $20 per session or $55 for 3 sessions 

Register for special Open Gyms is separate for competition registration



Tentative Schedule

(Updated 3/11/21)

SATURDAY Morning/Afternoon

Kids Course ages 6-11 


7 & Under

8:15am Arrival time

8:30am Rules/Course Walk Thru

9 am Runs begin


9 & Under

9:30 am Arrival time

10 am Runs Begin


11 & Under

12 pm Arrival time

12:30pm Runs Begin

SATURDAY Afternoon

Adult Course ages 12 thru adults

13 & Under

1:30pm Arrival time

2pm Runs begin

SUNDAY Afternoon-Evening 

15 & Under / 40+ / Amatuer / Pro

2 pm Arrival time


Ganbaru Detroit Ninja Gym

(inside the Mack Athletic Complex) 

4300 Marseilles St.

Detroit, MI 48224

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