Change Your Body, Improve Your Life

Guaranteed Results

Going Full Tilt


There is a difference between having a "good" training session and an "effective" training session. My goal as a personal trainer is to maximize results, benefits, and physical improvement of each and every client during each and every session! I can help you with your individual goals, whatever they may be. There is nothing more empowering than self-confidence and pride in your body. There is no better way to gain self-confidence than by transforming your body, inside and out.


Services Offered

Tristan Arnold


As a NASM Certified Personal Trainer, competitive bodybuilder and United States Marine Veteran I offer a wide range of training styles and services. I provide more than an opportunity to get into the best shape of your life, but also a systematic approach to a more enjoyable lifestyle. 

NASM Certified Personal Trainer, NASM Certified Performance Enhancement Specialist, NASM Weight Loss Specialist, NASM Fitness Nutrition Specialist, NPTI Certified Personal Trainer, NPTI Certified Health Coach

I train out of Metroflex Gym, Oceanside.

318 N Horne Street, Oceanside, CA 92054

In-Person Training Sessions

One-on-One or Group Training

Face to face personal training is by far the most effective way to change your body. With instant feedback, assistance, motivation and support, one-on-one training is an enjoyable and rewardable use of your time and money. 

Do you have a friend, family members, or even Significant Other you're interested in training with? Try group training and bring them along! You can enjoy the transformation experience together (and save some money while you're at it)!

Services include:

- In-Person Training Sessions

- Customized Weight Training Programs 

- Customized Cardiovascular Training Programs

- Unlimited In-Person/Text/Call Support

- Initial Assessments 

- Weekly Assessments 

- Guaranteed Results

 One-on-One Training Prices:

$240 1 session a week, 4 weeks ($60 per session)

$440 2 sessions a week, 4 weeks ($55 per session) 

$600 3 sessions a week, 4 weeks ($50 per session)

$70   1 time training session   

Group Training Prices

$175 1 session a week, 4 weeks ($37.50 per session)

$325 2 sessions a week, 4 weeks ($34 per session)

$450 3 sessions a week, 4 weeks ($31 per session)

Online Training and Programming

You can do it yourself!

Are location, time and other obligations prohibiting your ability to work with a trainer one-on-one? Not a problem! With online training and programming you can have the benefits of a trainer without the obligation of committing to a schedule. Whether your goal is to gain muscle, lose fat, maintain, or train for a specific event, I can help you along the way. 


Services include:

- customized weight training programs 

- customized cardiovascular  training programs

- unlimited message support

- initial assessments 

- weekly assessments 


$150 4 Week Customized Training Program 

$275 8 Week Customized Training Program 

$500 20 Week Periodization Program (long term, mid term, short term goals)

Nutrition Planning and Assistance

Start from the inside!

It is often said that the time spent in the gym is the easy part, and nutrition is the hard part. It doesn't have to be that way! Learn all about healthy eating habits and lifestyle with my detailed guidance and nutritional planning.

Services Include:

- Detailed Nutrition Plan 

- Unlimited Messaging Support

- Initial Assessment

- Weekly Assessments

- Weekly Modifications


$150 1 Month Plan

$250 2 Month Plan


Discounted Meals from OFP Nation Meal Prep available with plan purchases!


"Short cuts make long delays."

J. R. R. Tolkien


Contact Me

You’re on your way to a more fit, healthy, and strong you. Get in touch and start training today.

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