At CrossFit Roselle, we're proud to carry on the legacy of our founding owner, Jason, who was instrumental in shaping both our coaching staff and the programming we continue to use. As the only Certified CrossFit Level 4 Coach in Illinois, Jason's expertise and guidance have been foundational in our gym's success. While Jason has since moved on to other business ventures, his influence remains in the training of every coach at CrossFit Roselle. All of our coaches have been mentored by Jason, ensuring that you’re always in capable hands.

Better coaching equals better results, period.

CrossFit Roselle’s training philosophy is simple – to improve your general physical preparedness. We want to make you better at life and to be ready for whatever it throws at you. To do this, we don’t focus on strength training or Olympic lifting or gymnastics or running. We mix all elements equally in unlimited combinations to expose you to as many different stimuli as possible. By doing so, we will improve your endurance, stamina, strength, flexibility, power, speed, coordination, agility, balance, and accuracy. We will make you better, fitter, healthier.