Meet the Owner
Arianne Kinsella
CrossFit L3 Trainer
2025 Semifinal Qualifier CrossFit & HYROX Classes

Located in Aurora, IL, we offer CrossFit and HYROX classes to help busy individuals improve health, build strength, and reach their fitness goals through expert coaching and functional workouts.


Our Coaches



Compton



Erach



Jake



Tobias



Arianne



Tom



Ashley



Alejandro


Class Schedule


1

New to CrossFit or HYROX? Schedule your free consultation to get started!
2

Have CrossFit or HYROX experience? Call us at 630-796-0613 and we’ll get you set up and ready to go!
3

Not sure where to start? Give us a call at 630-796-0613 and we’ll help you get started!


4.9

59 reviews

Jack Schlenker


3 months ago

I recently restarted CrossFit after a 6 year hiatus. I tried several different gyms, but just couldn’t find my community… until I walked into CrossFit Mischief. This is a great group of humans all around. From the coaches to the members. Eve

Manikandan Palaniappan


5 months ago

I joined this CrossFit Mischief about a month ago and I’m really happy with the experience so far. The atmosphere is positive, motivating, and very supportive. Big shout-out to the coaches — Tobias, Arianne, and Christie — they’ve been am

Jaime DalPolo


a year ago

A year ago I joined CF Mischief because I had health issues that left me feeling like I couldn’t get back in shape and I needed a change. I have genetic heart issues that I was worried about working out with but after just 2 months of slowly pu

Martha Gallego-Ward


7 months ago

Eight and a half years ago, I walked into CrossFit Mischief not knowing just how much it would shape me. It’s still the hardest workout program I’ve ever done—but, it’s been the best thing for me. What keeps me coming back isn’t just th

Gulrukh Raheel


a year ago

I absolutely love this CrossFit gym! From the intense, varied workouts to the supportive community who’s always cheering for me, everything about it is amazing. It’s addictive—I can’t imagine not going now! Each session pushes me to my li