Highlights: Gi · Kids classes · Women's classes · Members only · Free trial
Looking for Lionheart Jiu Jitsu in Thornton, CO? It's a Brazilian jiu jitsu academy at 284 N Main St, rated 5.0/5 across 124 Google reviews. Below: programs, schedule, pricing, reviews, and how to book a free trial.
Women's Only BJJ classes; Specialized instruction for children with ADHD and behavioral issues; Diverse martial arts programs including Muay Thai and Combatives
Rated 5.0/5 across 124 Google reviews.
I'm the owner's wife, but I'm also a current student at Lionheart. I started taking the women's only class in August 2024 and then began attending the beginner's classes in November 2024. I can't begin to explain how much these classes have changed my life. I have found confidence and empowerment learning jiujitsu at this academy. The women's coach (Angela) is not only incredibly knowledgeable about jiujitsu and women's self defense but she is also a very kind and supportive person. The beginner's classes are well structured and all of the coaches are helpful and supportive of each student's individual jiujitsu journey. Additionally, my son takes the kids classes and I believe he is thriving. His confidence and discipline are increasing and best of all, he's having fun!
We have been attending for a couple months and even now, this review is overdue. I have put my son in every single sport to get him motivated and nothing had worked. He literally sits on the court or the field and just falls asleep or gets bored. In a last stitch effort, I saw an ad for Lionheart and signed up. I was contacted by the owner who went over the logistics before class and even though I knew our son wouldn't like it, it's a free trial, right? When I tell you, he's hooked, I'm not kidding! He looks forward to the classes four times a week and he takes them very seriously. The coaches saw him sitting down a couple times and told him to get up right away; being called out on his laziness from someone besides his parents was very motivating. He respects the coaches and his teammates like I've never seen before! All the kids coaches are great but Coach Lexi is just sooooo good with the kids. Her words of affirmation and her excite
One of the best decision we’ve made for our daughter! This gym has been incredible from day one. The coaches are patient, knowledgeable, and truly care about the kids, not just their technique, but their confidence, discipline, and growth. My daughter has learned so much in such a short time, both on and off the mats. The environment is positive and empowering, and the other families are so welcoming that it really feels like a community. We’ve seen huge improvements in her coordination, focus, and self-esteem. She looks forward to every class and is so proud to show what she’s learned. I can’t recommend this place enough for anyone looking for a safe, encouraging, and fun space for kids to learn Brazilian Jiu-Jitsu!
I was lucky enough to attend Lionheart's knife combatives course on the 12th of October, 2025. I found the experience to be both fun and rewarding. Over the course of 5+ hours we covered a range of practical skills with a focus on high intensity, high effort training and technical applications. I appreciated the ability to pressure test the skills we learned, and the training environment was safe while still being realistic. The instructors were knowledgeable and patient, able to teach to a wide range of skill levels. I would happily attend their next seminar, and would recommend Lionheart Jiu Jitsu to anyone looking for a solid training environment with a good community.
As a beginner to Jiu Jitsu with no martial arts experience; all of the instructors have done an excellent job in teaching me & building my skills from the ground up, the right way. I know people who attend the more advanced classes that share my opinion for that as well. All of the students who attend the classes are helpful, friendly, & respectful. I would absolutely recommend Lionheart Jiu Jitsu to anyone considering beginning their martial arts journey or anyone more experienced wanting to sharpen their skills.
Lionheart has been the perfect place to train for my daughter and I. Everyone here from the students to the coaches have been kind and supportive. Classes are perfectly sized to allow you to safely roll with people of various skill levels. The monthly dues are an easy investment decision for the amount of classes offered- whether you’re looking for a relaxed beginners class, an intense experience in advanced, or working your stand up game in Muay Thai. You won’t be disappointed.
Lionheart Jiu Jitsu is at 284 N Main St. Call (720) 734-8900 to confirm class times or book a trial.
Lionheart Jiu Jitsu doesn't publish pricing. Thornton BJJ typically runs $150-$250/month for unlimited. They offer a free trial so you can test the room first.
Gi Brazilian Jiu-Jitsu, Kids BJJ, Women's BJJ, Self-Defense, Muay Thai, Striking.
Beginners are welcome. Use the trial class to watch a fundamentals or all-levels session and meet the coach before signing up. No experience or gear needed for your first class at most Thornton gyms.
See all BJJ gyms in Thornton or browse jiu jitsu in Colorado.