Without commitment you will never start,
without consistency you will never finish.
I'm ready!

Hi, I'm Will

Welcome to my personal training website! Are you looking to get in shape and improve your overall fitness? My workouts are perfect for you. I offer a variety of high-intensity workouts, including CrossFit, HIIT, boxing, kickboxing, and Muay Thai. These workouts are designed to challenge your body and help you achieve your fitness goals.

I am a veteran of the French foreign legion born in Cuba, raised in Spain and now residing in Warsaw for 2 years with more than 7 years of experience in private security in both civil and war zones.

I would like to invite you to attend personal trainings that are taking place at Grójecka 1/3 in Warsaw, the studio for 1 on 1 classes have 30 square meters and is open 24/7.I 'm also offering trainings in the nearby Harder gym and fitness club at Grójecka 17.

My offer include CrossFit with body weight workouts for 150 PLN and CrossFit with MMA for 180 PLN. You can book anytime, and cancel up until 24h before the actual training to not pay the fee. Workouts cancelled less than 24 hours before the training session or not cancelled at all but not attended won't be returned and will have to be paid anyway.


If you're ready to get in shape and improve your fitness, my high-intensity workouts are perfect for you. Whether you're interested in CrossFit, HIIT, boxing, kickboxing, or Muay Thai, I have a workout that will challenge you and help you reach your goals. Thank you for considering me for your personal training needs.


CrossFit is a high-intensity, functional fitness program that combines weightlifting, cardio, and gymnastics. It is designed to improve your strength, endurance, and overall fitness. My CrossFit workouts are varied and constantly changing, so you'll never get bored. Whether you're a beginner or an experienced athlete, you'll find a challenging and rewarding workout with me at HARDER gym.


High-intensity interval training, or HIIT, is a form of exercise that involves short bursts of intense activity followed by brief periods of rest. This type of workout is great for burning calories and improving cardiovascular fitness. My HIIT workouts are designed to push you to your limits and help you reach your fitness goals.

Boxing and Kickboxing

Looking to learn how to throw a punch? My boxing and kickboxing classes are perfect for you. These workouts are great for improving strength, coordination, and cardiovascular fitness. Whether you're a beginner or an experienced fighter, you'll find a challenging and fun workout with me at the gym.

Muay Thai

Muay Thai is a traditional martial art from Thailand that involves the use of punches, kicks, knees, and elbows. It is known for its effectiveness in self-defense and as a workout. My Muay Thai classes are perfect for anyone looking to learn this martial art or just get a great workout.

Contact me


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Boot Camps

Are you ready to enjoy a day of adventure, outdoor sports in total contact with nature, personal defense, obstacle courses in the forest and a finale with BBQ & PAELLA & SANGRIA & CERVESAS and all this in a relaxed and pleasant atmosphere?

If the answers to those questions are yes, then do not hesitate to contact us for more detailed information about the upcoming boot camp events.

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Contact me

If you decided to train with me, please contact me via my e-mail at trainwithwillalonso@gmail.com, or call me on my mobile phone at +48 732 846 606. You can also get in touch via my Facebook or Instagram profiles.