Defiant Martial Arts

Defiant Martial Arts

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Defiant Martial Arts Academy offers Brazilian Jiu-Jitsu, Judo and Wrestling classes.

RMNU Ireland was founded in 2013 and is the UK and Irelands first affiliate school under 8 x World Champion Robson Moura and our team is one of the top recognised academies in Northern Ireland and we feature one of the most prestigious gyms in the country with a purpose built Martial Arts Hall and has been referred to as the "Apple Store of Brazilian Jiu Jitsu" with that being said we pride oursel

26/08/2026

Recently we rearranged the timetable with a goal to solidify the team and promote the growth of upper and lower belts alike, with a 50/50 split of white to blue/purple/brown at class tonight!!

When you start out in Brazilian jiu jitsu it can often seem daunting to roll or practice with someone with much more experience but the opposite is true - not only is it part of the culture to give newer folks more time to figure something out, but the control of movement should be safer and thus more enjoyable. But not going to lie - it’s never easier

24/08/2026

This is the season of living 🤘🏻

Photos from Defiant Martial Arts's post 21/08/2026

Coming to a new gym, trying a new sport and being the new face can de daunting but we like to believe we are a friendly lot and super welcoming

After all we all have our ‘remember your first day on the mats’ moment and understand. Brazilian Jiu Jitsu is a different approach to athleticism - the burst of power can take you back at first and make your anaerobic background seem nonexistent - so the fundamental classes is a great place to begin your journey

With dedicated warm ups, technical instruction and time to practice the (optional) team photo at the end is a kind reminder of your efforts and the people you trained with

We are always happy to see you on the mats so if you are considering something different, check us out Monday and Thursday at 6pm

Photos from Defiant Martial Arts's post 16/08/2026

Ladies Open Mat!!!! Great teaching and rolls - thankyou for amazing visitor also 💜

15/08/2026

Fri night class led by
Guillotine and anaconda techniques with superb details 👌👌 Finishing working week with good few rounds 🔥

14/08/2026

Look at those belts!!! From youth grey and yellow right up to purple - fundamentals class is great for all levels. From when you learn of a new technique or you are going over it again or rediscovering a position, Fundamental classes - Monday and Thursday at 6pm - is a class for all

13/08/2026

Great to see new faces and returning faces at Wrestling working hard

Every Wednesday 6pm

Photos from Defiant Martial Arts's post 12/08/2026

Amazing to see the wrestling team growing followed by a colourful gi class right after

10/08/2026

Guard Pull
Overhead Sweep
S Mount Armbar

Nice start of the week

10/08/2026

When lunch class starts to level up and gain momentum

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Location

Telephone

Address


51 Mallusk Road, Mallusk
Newtownabbey
BT364PX

Opening Hours

Monday 12pm - 1:30pm
6pm - 9:30pm
Tuesday 12pm - 1:30pm
6pm - 9pm
Wednesday 12pm - 1:30pm
6pm - 9:30pm
Thursday 12pm - 1:30pm
6pm - 9:30pm
Friday 12pm - 1:30pm
6pm - 9:30pm
Saturday 9:30am - 1:30pm
Sunday 10:30am - 12:30pm