NO CONTRACTS. NO PRESSURE. JUST REAL TRAINING & COMMUNITY
NO CONTRACTS. NO PRESSURE. JUST REAL TRAINING & COMMUNITY
Your Martial Arts & Fitness Experience, Fueled By Growth
Training that pushes you. Coaching that guides you. A Community that has your back.
No More Generic Gyms. No More Guesswork
At K2, every session has purpose.
From day one, you’re coached — not left to figure it out.
Boxing, Muay Thai, BJJ, and Kettlebell training are all expertly programmed to deliver real results.
You’re not just showing up — you’re leveling up.
No More Boring Workouts
We don’t do cookie-cutter circuits or treadmills in front of TVs.
We do
skills that matter, sweat that means something, and coaches who bring the energy every session.
Whether you're getting in shape or going for gold — we train with purpose, passion, and a little swagger.
Real Coaching. Real Community. Real Results.
We’re not here to waste your time — we’re here to transform it.
With structure, purpose, and an expert eye on your progress, every round moves you closer to your goals.
And the best part? You’ll do it surrounded by people who want to see you win.
K2 isn't just a gym.
It's your second home.
Learn the Skills. Build the Confidence.
Train for More.
Whether it’s Boxing, BJJ, Muay Thai or Strength —
we coach you with purpose and help you win on every level.
Your Martial Arts & Fitness Experience, Fueled By Growth
Training that pushes you. Coaching that guides you. A Community that has your back.
No More Generic Gyms. No More Guesswork
At K2, every session has purpose.
From day one, you’re coached — not left to figure it out.
Boxing, Muay Thai, BJJ, and Kettlebell training are all expertly programmed to deliver real results.
You’re not just showing up — you’re leveling up.
No More Boring Workouts
We don’t do cookie-cutter circuits or treadmills in front of TVs.
We do
skills that matter, sweat that means something, and coaches who bring the energy every session.
Whether you're getting in shape or going for gold — we train with purpose, passion, and a little swagger.
Real Coaching. Real Community. Real Results.
We’re not here to waste your time — we’re here to transform it.
With structure, purpose, and an expert eye on your progress, every round moves you closer to your goals.
And the best part? You’ll do it surrounded by people who want to see you win.
K2 isn't just a gym.
It's your second home.
Learn the Skills. Build the Confidence. Train for More.
Whether it’s Boxing, BJJ, Muay Thai or Strength —
we coach you with purpose and help you win on every level.
Group Classes
Competition
PERSONAL TRAINING
Meet The Owners & Head Coaches
K2 isn’t just a gym—it’s a mission & a community, led by co-founders Eric and Saiko Kolesar.
With over 40 years of combined experience in boxing, BJJ,
Muay Thai, kettlebells, and leadership, they’ve built a space where character, confidence, and community are forged through training.
After a career in the U.S. Army, Eric turned a lifelong vision into reality. Saiko brings unmatched focus and heart to every student who walks through the door. Together, they’ve created a culture where discipline meets compassion—and everyone gets better together.
Whether you're brand new or battle-tested, K2 is where you're pushed, supported, and shaped into a champion—because this is where champions are made.
Because at K2, you’re building strength that
shows up in every part of your life.
What People Are Saying
K2 Foundation
More Than a Gym. A Launchpad for the Next Generation.
We don’t just train fighters—we empower future leaders..
Through the K2 Foundation, young people in Everett get more than a workout.
They get a safe space. A support system. A second family.
We sponsor kids to train in martial arts, but what they walk away with is so much bigger: character, confidence, and the courage to take on life.
Every round is a rep for their future.
Every lesson is a seed for something greater.
Be part of what’s possible.
K2 Foundation
More Than a Gym. A Launchpad for the Next Generation.
We don’t just train fighters—we empower future leaders..
Through the K2 Foundation, young people in Everett get more than a workout.
They get a safe space. A support system. A second family.
We sponsor kids to train in martial arts, but what they walk away with is so much bigger: character, confidence, and the courage to take on life.
Every round is a rep for their future.
Every lesson is a seed for something greater.
Be part of what’s possible.
CLAIM YOUR FREE INTRO SESSION AND TOUR!
OUR CURRENT SCHEDULE
(8:30AM – 10:00AM)
(9:30AM – 11:00AM)
(9:30AM - 10:30AM)
(9:30AM - 10:30AM)
(9:30AM – 11:00AM)
(9:30AM - 10:30AM)
(9:30AM – 11:00AM)
(9:30AM - 10:30AM)
(9:30AM - 10:30AM)
(9:30AM – 11:00AM)
(9:30AM - 10:30AM)
(10:00AM – 11:15AM)
(10:00AM – 1:00PM)
(10:15AM - 11:15AM)
(12:00PM – 1:00PM)
(4:30PM – 7:30PM)
(5:00PM – 6:30PM)
(5:00PM – 6:00PM)
(5:00PM – 6:30PM)
(5:00PM – 6:00PM)
(5:00PM – 6:00PM)
(5:00PM – 6:30PM)
(5:00PM – 6:00PM)
(5:00PM – 6:30PM)
(5:00PM – 6:00PM)
(5:00PM – 6:00PM)
(5:00PM – 6:00PM)
(5:00PM – 7:00PM)
(6:15PM – 7:00PM)
(6:15PM – 7:15PM)
(6:15PM – 7:15PM)
(6:30PM – 8:00PM)
(6:30PM – 7:30PM)
(6:30PM – 8:00PM)
(6:30PM – 7:30PM)
(6:30PM – 8:00PM)
(6:30PM – 7:30PM)
(6:30PM – 8:00PM)
(6:30PM – 7:30PM)
(7:30PM – 8:30PM)
(7:30PM – 8:30PM)
(7:30PM – 8:30PM)
(7:30PM – 8:30PM)
Sundays
Everett’s Top Gym For Boxing, Jiu Jitsu, Muay Thai & Strength Training
WHERE TO FIND US:
12432 Hwy. 99 UNIT 67, Everett, WA 98204, United States
Give us a Call
(425) 374-3557
Give us a Call
425-374-3557
BECAUSE THERE'S A CHAMPION INSIDE YOU.
GET STARTED TODAY FOR FREE. NO EXPERIENCE NECESSARY!
Frequently Asked Questions
What Kind Of Equipment Do I Need To Bring?
If you are coming for a trial class, all you need to bring is yourself, wear work out clothes and bring a bottle of water.If you do have boxing, muay thai gear, please bring it with you. The same for BJJ, if you have a gi, please bring it to training. But, do not feel obligated to buy anything for a trial class. Everything you need will be provided for your first session.
Do You Require Contracts?
No, we do not require contracts.All members pay a monthly membership fee. All fees are collected month to month via auto-pay. To cancel membership, a 30 day notice is required. We also have other membership options, please contact a member of our staff for more information.
How Do I Cancel My Membership?
To cancel membership, a client needs to contact us in writing, via email or in person at the studio.Once cancellation notice has been received, a confirmation email will be sent, 30 days later the account will be cancelled. If a monthly payment falls within the last 30 days, the payment will be charged. Upon cancellation, no further charges will be incurred.
Do I Need To Be Already Fit To Join?
Nope! Most of our members start just like you. We assess each new members fitness level. Then our group workouts are “universally scaled” to meet you where you’re at. As you level up you can take on more challenging variants of the workout if you desire. Of course if you choose personal training, you can expect your entire training regimen to be customized for you.
Do You Offer Private Training?
Yes, we do offer private training sessions.Contact us for details and more information.
What Are Your Prices?
We offer several training options — from group classes to private coaching & VIP experiences — and pricing varies depending on the program that’s the best fit for you. Most of our members pay between $150 and $250/month, but we’ve got something for every level, goal, and budget. Rather than guessing or giving you a cookie-cutter number, we’d love to learn more about what you’re looking for and recommend the best path forward. Reach out or book a visit — we’ll walk you through everything, no pressure.
Do I Have To Spar?
No. You do not have to spar. It is completely optional.That being said, sparring is encouraged, once you have been evaluated and approved for sparring. We have sparring evaluations every 60 days and if approved, you will be allowed to come to open sparring sessions. We will never force anyone to spar who doesn’t want to, and we won’t allow you to spar if you are not ready.
Do You Train Competitive Fighters?
Yes, we do have a competition team specifically for boxing.We also have clients who compete in Muay Thai and Brazilian Jiu Jitsu. If you are looking to compete, we can guide you through the process and make sure you are fully prepared for competition. Please contact us for details on the process to try out for our competition team.
Do I Need To Be In Shape To Start Training?
We get asked this question quite often. The answer is NO!You do not need to be in shape to start training. We have clients of all fitness levels, so get in here and start your journey with us today!
I Have No Experience. Is That Going To Be A Problem?
No experience is required for any of our programs.Beginners are always welcomed.
What Age Do You Have To Be To Train At K2?
No experience is required for any of our programs.Beginners are always welcomed.
SENTINEL ATHLETICS © 2025 All Rights Reserved | Privacy Policy
Sentinel Athletics © 2025 . Privacy Policy
POWERED BY
POWERED BY
