Relentless MMA & Fitness

Relentless MMA & Fitness We are a Mixed Martial Arts and Fitness Facility focused on Kickboxing, Brazilian Jiu-Jitsu, and Fitness for kids and adults. www.relentlessmma.ca

We offer classes for all ages and skill levels. Whether your goal is to become a competitor or just to become more active, lose weight, or get stronger, this is the gym for you! Our Dedicated coaches will do everything they can to help you achieve your goal. Our Facility has 3500 Square Feet of Mat Space, a 20 x 20 Competition size Boxing Ring, Weight room, showers and more! Join our Relentless Family today, you won’t regret it.

π˜Όπ™π™€ π™”π™Šπ™ π™‰π™Šπ™ π™€π™‰π™π™€π™π™π˜Όπ™„π™‰π™€π˜Ώ? π˜Ύπ˜Όπ™‹π™π™„π™Šπ™‰ π™π™ƒπ™„π™ŽπŸ‘‡Best caption gets a free Relentless Shirt!
09/23/2026

π˜Όπ™π™€ π™”π™Šπ™ π™‰π™Šπ™ π™€π™‰π™π™€π™π™π˜Όπ™„π™‰π™€π˜Ώ? π˜Ύπ˜Όπ™‹π™π™„π™Šπ™‰ π™π™ƒπ™„π™ŽπŸ‘‡

Best caption gets a free Relentless Shirt!

MORE THAN A GYM. πŸ₯ŠDifferent goals. Different backgrounds. One community.We show up, work hard, push each other, and cele...
09/16/2026

MORE THAN A GYM. πŸ₯Š

Different goals. Different backgrounds. One community.

We show up, work hard, push each other, and celebrate the wins together.

This is what Relentless is all about. πŸ–€πŸ’›

09/10/2026

π™Žπ™€π™€ 𝙄𝙏. π˜Ώπ™π™„π™‡π™‡ 𝙄𝙏. π™€π™“π™€π˜Ύπ™π™π™€ 𝙄𝙏.πŸ”₯

This feeling never gets old. The adrenaline, the pride, the relief and the pure joy for my athlete. I love this photo.Co...
09/03/2026

This feeling never gets old. The adrenaline, the pride, the relief and the pure joy for my athlete. I love this photo.

Coaches know this feeling. We know this feeling on both sides. The good and the bad. It's a crazy sport.

I care deeply for my athletes. The relationship between coach and athlete is very important to me. The trust in each other to go and do something scary. The extra training sessions, the hard days of sparring. The work most don't see. That is what leads to this photo.

I am grateful to have incredible fighters who have been with me for a long time. It's an incredible ride.

πŸ₯‹ π—žπ—œπ——π—¦ 𝗕𝗝𝗝 πŸ₯‹Build confidence, discipline, respect & self-defense skills while having fun!πŸ”₯ π—Ÿπ—œπ— π—œπ—§π—˜π—— π—§π—œπ— π—˜ π—’π—™π—™π—˜π—₯ πŸ”₯FIRST 10 ...
09/03/2026

πŸ₯‹ π—žπ—œπ——π—¦ 𝗕𝗝𝗝 πŸ₯‹

Build confidence, discipline, respect & self-defense skills while having fun!

πŸ”₯ π—Ÿπ—œπ— π—œπ—§π—˜π—— π—§π—œπ— π—˜ π—’π—™π—™π—˜π—₯ πŸ”₯
FIRST 10 KIDS TO SIGN UP GET A FREE BJJ UNIFORM!

πŸ“… Monday & Wednesday β€” 5:00 PM
πŸ“… Saturday β€” 10:00 AM

πŸ“ Relentless MMA & Fitness β€” 105 Merrit St. Catharines

πŸ‘‰ Message us today to claim your spot!

πŸŽ“ π—¦π—§π—¨π——π—˜π—‘π—§ π—¦π—£π—˜π—–π—œπ—”π—Ÿ β€” π—¦π—”π—©π—˜ 𝟭𝟱%πŸŽ“Back to school. Back to training. πŸ₯ŠUniversity, college & high school students β€” get 15% OFF...
08/28/2026

πŸŽ“ π—¦π—§π—¨π——π—˜π—‘π—§ π—¦π—£π—˜π—–π—œπ—”π—Ÿ β€” π—¦π—”π—©π—˜ 𝟭𝟱%πŸŽ“

Back to school. Back to training. πŸ₯Š

University, college & high school students β€” get 15% OFF your monthly membership at Relentless MMA & Fitness.

πŸ‘Š π—žπ—Άπ—°π—Έπ—―π—Όπ˜…π—Άπ—»π—΄
πŸ₯Š π—•π—Όπ˜…π—Άπ—»π—΄
πŸ₯‹ 𝗕𝗝𝗝
πŸ’ͺ π—¦π˜π—Ώπ—²π—»π—΄π˜π—΅ & π—–π—Όπ—»π—±π—Άπ˜π—Άπ—Όπ—»π—Άπ—»π—΄

Build confidence. Get stronger. Learn real skills. Find your community.

Train hard. Meet good people. Be part of something.

πŸ“ Relentless MMA & Fitness
πŸŽ“ Student ID required
πŸ”₯ 15% OFF monthly membersh

PERFORMANCE OF THE NIGHT!
08/24/2026

PERFORMANCE OF THE NIGHT!

Ethan LeBlanc earns performance of the night

Photo's from Ethan's first round finish!
08/23/2026

Photo's from Ethan's first round finish!

Great photos from Pilar's dominant win.
08/23/2026

Great photos from Pilar's dominant win.

Worn with Pride.Worn with Purpose.Worn to Represent.
08/22/2026

Worn with Pride.
Worn with Purpose.
Worn to Represent.

Address

105 Merritt Street
Saint Catharines, ON
L2T1J7

Opening Hours

Monday 4pm - 9:30pm
Tuesday 3:30pm - 9:30pm
Wednesday 4:30pm - 12pm
Thursday 8am - 9pm
Friday 4:30pm - 8pm
Saturday 9am - 2:30pm

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