
Peter-Jan
Co-founderAfter I finished my degree in physical education and biology, I started Avondtrainer in 2010, which now hosts eight groups per week. In 2012, CrossFit came into my life!
Dedicated professionals helping you move better, get stronger, and train with confidence


After I finished my degree in physical education and biology, I started Avondtrainer in 2010, which now hosts eight groups per week. In 2012, CrossFit came into my life!

Together with Peter-Jan, I’m one of the owners of CrossFit071. I’m a tennis coach and run a tennis school in Leiderdorp, offering programs for children and adults ranging from beginners to Dutch champions...

Since discovering CrossFit, I was eager to find a box near me. When CrossFit071 opened in 2014, I didn’t hesitate to join. After a year, I started coaching...

Cześć! Since 2018, I have been part of the coaching staff, and I have seen our members gain strength, lose weight, and—most importantly—have a great time and connect with each other...

Toen ik in 2019 begon met CrossFit, was ik echt een typische cardiofanaat. Ik was (en ben nog steeds) al meerdere jaren groepsfitnessinstructeur, maar CrossFit bracht mijn training naar een heel nieuw niveau...

After doing fitness for a couple of years, I discovered CrossFit and immediately fell in love with it! From the moment I walked into CrossFit071, I felt welcomed by the community...

Hi!
My name is Casper, but most people call me Cas. Since 2018, I have been coaching on Monday evenings from 6:00 PM to 8:00 PM and on Thursday evenings from 8:00 PM to 10:00 PM...

Hi, my name is Wessel.
My background is in Psychology and Cognitive Neuroscience, but for the past 15 years my true passion has been fitness...

I started CrossFit in 2012 in South Africa, and it had a huge impact on my fitness and mindset. I wanted to share this with others, so in 2013 I opened my own box in South Africa...

I started CrossFit in 2017 and never looked back. When I’m not in the CrossFit box, I work as a rehabilitation physician, and I try to apply that knowledge and those skills during training...

I’m an adventurous person with a diverse background and a passion for both physical and intellectual pursuits. I was born in the United States, but my journey...

My name is Henk, and back in 2018 I spent a lot of my time road cycling, running, and occasionally going to the gym....