Relentless Warriorβ„’ Fitness

Leave everyday 1% betterΒ mentally and physically than when you arrived. Step outside of your comfort zone with amazing coaches and a fun supportive community to finally get results you can see and feel.

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Work with a Personal Trainer one-on-one to hold you accountable and help you achieve your specific goal.

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Workout in supportive small group classes with accountability and a coach to help you overcome your challenges and achieve your goals.

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Are you visiting from out of town or just want to take a few classes? We have drop-in options available to accommodate your schedule.

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24/7 Open Gym

Are you looking for a functional fitness gym you can workout on your own that has 24/7 access?

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A RelentlessΒ Warriorβ„’ is someone who has a vision and a reason to fight through all the struggle, adversity, and negative people who try and stop them. Someone who takes personal responsibility for everything and has the mental fortitude, mindset, and relentless resilience to succeed in today’s hostile, competitive environment.

Relentless Warriorβ„’ Fit exists to empower our community to overcome adversity, mental health challenges, negative people, & barriers holding them back from becoming the best version of themselves inside and outside the gym. Picture and imagine, a community of peopleΒ who have come together to hold each other accountable, help one another overcome adversity, and achieve what they want all while having FUN.Β 

Supportive & Fun Community

Be a part of a community with a common goal of success and helping each other overcome adversity.


24/7 Open Gym Access

We are open 24 hours a day and 7 days a week to ensure you get the training you need to succeed.

Mental Fortitude Training

We take fitness to the next level by teaching resiliency, tenacity, and the Relentless Mindsetβ„’ needed to succeed inside and outside of the gym.

Multiple Small Group Sessions

We run 6 sessions per day with a cap at 6 per session giving you the attention you need to overcome any challenges and achieve your goals.

Relentless Leaders

Our coaches, trainers,Β  and leaders are highly trained and also live to the standards we help our amazing members and community live to.

Richie Contartesi

Richie Contartesi


Former Division 1 college football walk-on who went on to earn a full scholarship in the SEC at Ole Miss standing a staggering 5’7 and 150 pounds. Richie travels internationally and speaks with hundreds of thousands of people a year teaching them how to be relentless and inspiring them to be the best version of themselves mentally and physically. Richie founded Relentless Warriorβ„’ Fit to grow a community that can help each other overcome adversity, negative people, mental health, and physical challenges. He is the #1 best selling author of “In Spite of the Odds” and has been seen in the new movie “Rudy: The Walk-on”.

Relentless warrior fit Erica Sideri
Erica Sideri

Private Trainer & Coach

Fittest Woman in Nevada in 2015 and 2016. Erica will help you overcome fear and obstacles to succeed in the gym and in life. Erica’s coaching style is well-rounded, and adaptable to all types of clients and athletes. Her philosophy on health and wellness revolves around not just making you look your best, but more importantly, FEEL your best. Longevity and happiness both inside and outside of the gym is what motivates her to help you become the best version of yourself. She started out as a gymnast and began her functional fitness journey 7 years ago. She has coached and trained private clients for over 6 years in Las Vegas.

Lucas Cuevas

Private Trainer & Coach

Lucas is a former collegiate athlete that became aware of his passion for fitness at very young age in Houston, Texas. He has worked with a wide spectrum of individuals ranging from professional athletes to people simply looking to improve their overall health and wellness in a fun environment. He focuses learning about what others goals and challenges are and facilitating the achievement of what was previously thought to be impossible. A seasoned trainer in the Vegas area, Lucas has been coaching classes and training individuals for over 5 years. He is a staunch believer in functional strength development and safety above all else.

Relentless warrior fit Jose Carillo
Jose Carrillo

Zumba Instructor

Jose Carrillo started his Fitness journey back in 2009. He was overweight and struggling to find a way to lose weight. After years of struggling, he found Functional Fitness and Zumba. In just under two years, he lost 75 pounds and his life was changed forever. He created new habits, mental rituals, and a physical fitness routine. Jose wanted to give back to others struggling and began teachingΒ  Zumba in 2009. You can see and feel his passion during his classes. They are high energy and focus on your physical and mental fitness. Jose’sΒ inspiration and drive is being able to share and guide people to a healthy, fit, and strong lifestyle.
Ace Jackson
Ashton “Ace” Jackson

Private Trainer & Coach

Ashton is a former collegiate athlete and trainer. Originally from Los Angeles, and now currently a native of Las Vegas. He has trained and helped condition individuals in soccer, basketball, football, baseball and track to help them in collegiate and pro levels. His focus is and will always be to help YOU feel good in your own skin, to look your best, and conquer obstacles in your fitness journey. He’s eager to learn on a consistent basis for his fitness passion because he enjoys finding new ways to help himself and those who work with him. Personal training for 8 years now, Ashton thrives on getting you to your individual fitness achievements. The wellness to you life is the foundation to a stronger and more joyful lifestyle.
Bryan Harris
Bryan Harris

Operations, Marking Advisor, & Coach

Bryan Harris has spent twenty years in media and marketing, and has managed marketing for numerous large health organizations including,, and He has also advised start-up CEOs in Cornell Tech’s MBA program on growing revenue fromΒ $0 to $5MM.Β He holds training certificates in powerlifting, kettlebell, L1, and functional fitness. His coaching style is technical, but he is funny in his own right. In his spare time, he enjoys a variety of physical activities. He’s a former rock climber and alpine mountaineer, and a current member of the United States Powerlifting Association.Β 

Patricia Castro

Patricia Castro

Front Desk, Social, & Events Manager

Patricia Castro studied events & marketing at the University of Las Vegas, Nevada. While attending college in 2012 she started weight training 3-5 days a week and was amazed at the results. She fell in love with training and helped her closest friends achieve their goals. She soon realized that she could make a career out of her passion for fitness. Since then she decided to get certified and has helped, inspired, and motivated countless clients, friends, and family. Her 7 years experience has lead her to express her passion of fitness through Relentless Warrior Fitness in creating empowering events and an amazing experience for all our members.
The Relentless Warrior Team

small group sessions

High Intensity Functional Fitness Las Vegas
Cardio Rush Las Vegas

Join The Relentless Warriorβ„’ Movement

Empowering our community to overcome adversity, mental health challenges, negative people, & barriers holding them back from becoming the best version of themselves inside and outside the gym.
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