Group Training in Arcadia, CA
Transform your fitness, make connections, and have fun with our high-energy in-person group training workout classes in Arcadia CA.
Programming Days at Reason Fitness
Train for Life. Move with Purpose.
At Reason Fitness, we believe strength is built, not stumbled upon.
Our programming days are designed to help you move better, grow stronger, and live fully – inside and outside the gym.
We don’t chase trends or quick fixes. We coach humans – building strength that serves, endurance that lasts, and confidence that carries into every part of life.
Every session is guided by expert coaches, grounded in proven methods, and fueled by a community that pushes you to your potential.
Whether your goal is to lift heavier, move better, go farther, or perform at your best, there’s a program built for you.
Four paths. One purpose.
Build. Move. Push. Prove.
| Time | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|---|
| 5:30 - 6:30 AM | BUILD | MOVE | BUILD + MOVE | PUSH | BUILD | ||
| 6:00 - 7:00 AM | PROVE | ||||||
| 6:30 - 7:30 AM | BUILD | MOVE | BUILD + MOVE | PUSH | BUILD | ||
| 9:00 - 10:00 AM | BUILD | MOVE | BUILD + MOVE | PUSH | BUILD | PROVE | |
| 4:30 - 5:30 PM | BUILD | MOVE | BUILD + MOVE | PUSH | BUILD | ||
| 5:30 - 6:30 PM | BUILD | MOVE | BUILD + MOVE | PUSH | BUILD | ||
| 6:30 - 7:30 PM | BUILD | MOVE | BUILD + MOVE | PUSH | BUILD |
BUILD: Develop Strength That Lasts
Build Days are about becoming strong – not just in the gym, but in life.
Each session is structured around the foundational lifts – squat, deadlift, and press – combined with accessory work that improves power, posture, and stability.
You’ll follow proven strength cycles that deliver measurable progress without compromising movement quality or joint health.
This is training that teaches you to move with precision, lift with confidence, and build strength that serves you for years to come.
Tracks: Strength / Build
Strength Track: Increase absolute power with progressive overload and technical mastery.
Build Track: Add lean muscle through tempo-controlled, hypertrophy-based training.
Best For: Anyone ready to build the foundation of strength, resilience, and capability.
MOVE: Train to Move Well - and Live Well
Move Days are where everyday athletes thrive.
These group training sessions are built around functional movement – strength, endurance, and mobility – helping you move better, feel better, and live better.
You’ll train through workouts that are scalable, effective, and designed for long-term progress – no matter your fitness level.
This is fitness for life: adaptable, sustainable, and centered on movement that matters.
Tracks: Thrive / Sport
Thrive Track: Focused on health, mobility, and longevity through balanced, sustainable workouts.
Sport Track: Adds higher skill, intensity, and complexity while maintaining recovery and form.
Best For: Those who want to move freely, stay active, and build fitness that lasts a lifetime.
PUSH: Go Farther. Last Longer. Stay Composed.
Push Days develop endurance – both physical and mental.
Through structured sessions of running, rowing, biking, and ski work, you’ll build an aerobic engine that carries you through every challenge, from daily life to competition.
These workouts teach you how to stay composed under fatigue, control your breathing, and push through the hard things with purpose.
It’s not just about distance – it’s about discovering your capacity.
Program Focus: Endurance, stamina, recovery
Structured progressions built on proven endurance principlesAccessory strength and conditioning for stability and resilience
Ideal as a stand-alone track or a complement to another program
Best For: Those ready to expand their capacity, increase stamina, and develop lasting discipline.
PROVE: Perform With Purpose. Compete With Courage.
Prove Days are where training meets expression – designed for athletes who want to test their training in competition or performance.
Here, you’ll refine your skills, master pacing, and build the composure to perform under pressure.
It’s where preparation becomes performance – and where courage takes form.
Tracks: CrossFit / HYROX
CrossFit Track: Skill development, barbell cycling, and mixed-modal conditioning built to peak for major benchmarks.
HYROX Track: Hybrid endurance and strength training that sharpens both speed and stamina.
Best For: Athletes ready to perform, compete, and lead with confidence – inside or outside the gym.
Why Reason Programming Days Work
Our approach is simple – clarity, progression, and purpose.
Every Reason programming day is intentionally designed to build you up over time:
stronger movement, greater endurance, and a deeper understanding of what drives you.
You’ll learn to train smarter, recover better, and stay consistent – because progress that lasts isn’t random. It’s built on reason.
We measure what matters, coach with care, and help you show up better – not just for your workouts, but for your whole life.

Real results
Our group workouts are built with science. We design each session to help you make real physiological adaptations. .

Expert coaches
Our trained coaches in Arcadia, CA keep you safe, supported, and energized through every session.

Energy
Break a sweat, crack a smile. Our mission is making exercise as fun as possible. That's why our classes are lively, exciting, and full of positive energy.

Community
Our group classes prioritize fun, connection, and mutual support. Reason Fitness is a great place to form bonds that last-- both inside and outside the gym.
Meet Our Coaches
These are the personal trainers at Reason Fitness in Arcadia, CA. The people who will guide, support, and challenge you every step of the way. Reason Fitness has been in operation since 2018, but Coach Eric and Luke have been offering personal training since 2013. They’re here to help you train with purpose and reach the goals that matter to you.
Luke Karsana
Luke has been a health & fitness coach at Reason Fitness for 12 years.
He started interning at age 18 (now age 30) and has worked his way from Intern into leading and mentoring the coaching staff, helping hundreds of busy adults become happier, healthier humans & most importantly helping them create sustainable lifestyles that serve their specific health goals.
In his (almost) decade and a half of coaching, the greatest joy he takes is in building real relationships with new members who want to improve their lives through their health and empowering them to do it as independently as possibly.
Luke is excited to meet you and wants to help you get started in a way that feels achievable and attainable!
BS in Applied Kinesiology, Azusa Pacific University
CrossFit Level 2 Coach
CrossFit Aerobic Capacity Course
CrossFit Gymnastics
CPR/AED
Certified Anthony Pomponio Weightlifting Seminar, 2015 2017
StrongFit Principles of Movement
Andrew Hernandez
Andrew was born the youngest of 3. Being the smallest pushed him to be competitive and athletic. At a young age, he began playing soccer when he could barely even walk. From AYSO programs to travel ball, Andrew played soccer all the way through high school.
Along the way, he fell in love with volleyball and began to play for his high school as well as a club team at St. Jon Bosco. Andrew currently pursuing a degree in Kinesiology and plays collegiate soccer. In November 2016, Andrew found CrossFit and has been hooked ever since. He received his Level 1 in early 2017. Andrew hopes to bring change, optimism and kindness into people’s lives. Andrew is driven by not only his competitive nature but a drive to help people around him pursue and execute their goals and aspirations.
Precision Nutrition Level 1 Certified CrossFit Level 1 Trainer CrossFit Scaling Course CrossFit Judges Course First Aid & CPR/AED Certified
Bethany Chan
A native of the San Francisco Bay Area, Beth first found fitness when her dad took her running every week on the par course in Redwood Shores. He taught her how to do push-ups and pull-ups. In first grade, her favorite playground activity was swinging on the monkey bars. She loved all sports growing up, especially volleyball.
Beth’s college friend Tim Chan, now husband (and current Reason comp director), introduced CrossFit to her in 2012. It was so reminiscent of her high school basketball conditioning and running the par course with her dad that she was hooked.
A decade after getting her first L1 CrossFit cert and 3 years of physical therapy doctorate later, Beth’s following in her dad’s footsteps by teaching other people how to do pull-ups and push-ups, and how to move correctly. She provides elegant solutions to vexing problems like pain and injury, and still swings on bars for fun.
Certifications & Degrees
Doctor of Physical Therapy, Azusa Pacific University
B.A. in Communication Studies
CrossFit Level 1 Trainer
CrossFit Level 2 Trainer
CPR/AED
Anthony Pomponio Weightlifting Seminar
2015 Crossfit Anatomy Course
Nicole Zapoli Gymnastics Workshop
Edward Masuda
Hi, my name is Edward Masuda. I am from El Monte CA and graduating from Arcadia high in 2017. I am currently a fourth year undergraduate student at the University of La Verne studying Kinesiology with a focus on Strength and Conditioning.
Benjamin Lee
Ben's fitness journey began in college when he decided to transform his slender frame and delve into the world of health and wellness. The journey was initially daunting, stepping into the gym without a roadmap. Yet, with time, dedication, and now two years of expert guidance at Reason, Ben has not only transformed his physique but also his understanding of the profound impact a coach can have on an individual's health journey.
With a nursing degree and a CrossFit Level 1 certification under his belt, Ben has decided to pivot from the world of nursing to pursue his newfound passion in fitness. What drives him is not the pursuit of becoming the biggest or strongest guy in the gym, but rather, the philosophy of functional movement and general fitness. For Ben, fitness is about meeting people where they are in life and providing the guidance and support they need to achieve their goals.
When Ben isn’t in the gym, he’s fully immersed in family life. Playing with his kids and keeping up with their boundless energy not only brings him immense joy but also fuels his desire to maintain a healthy lifestyle. Ben draws inspiration from fellow gym-goers, like James, a 70-year-old who moves with the vigor of someone half his age. It’s these connections and success stories that reinforce Ben’s belief in the power of fitness.
What Ben brings to the table is more than just experience and knowledge; it’s a genuine passion for helping others succeed. Being on the front lines, face-to-face with those he coaches, and being part of their success stories is what fuels him. Ben understands the emotional roller coaster that comes with striving towards and achieving fitness goals. It’s these emotions – the highs of success and the joys of being part of someone else’s success story – that make the fitness journey thrilling and contagious. Ben is eager to share this excitement with others and be a guiding force in their journey to health and confidence.
Certifications & Degrees
CrossFit Level 1
BS in Nursing, RN
Josh Lo
My journey as a physical therapist started out as an 8 year old club swimmer in Glendale, CA. By the age of 10, I was swimming 2 practices a day - up to 5 hours a day in the pool. It was then that I decided that I wanted to swim in a Division 1 NCAA program.
When I was 14, I partially tore one of his rotator cuff muscles in a race. I bounced around multiple different physical therapists who prescribed me the same rotator cuff strengthening program. 6 weeks later, I was still having pain in my shoulder and had not returned to the water yet.
In a last ditch effort, my parents and I reached out to a swimming-specific physical therapist in Santa Clara who had worked with the USA national and olympic teams. He helped me with my shoulder and I went on to swim for UC San Diego.
It was then that I realized that it took someone who understood me and my journey to help me solve my shoulder pain. That is what I want to do for you: help you solve problems to reach your goals.
Certificates & Degrees
B.S. in Health Science Studies, Baylor University
Doctor of Physical Therapy, Azusa Pacific University
CPR/AED
What Clients Say About Our Group Trainings in Arcadia, CA
Where Are We Located?
Ready to train for life?
You don’t need to be fit to start. You just need a reason.
Find your path. Commit to the process. And discover what happens when you build strength that serves more than yourself.
Build. Move. Push. Prove.
Find what moves you – and train for what life demands.