Grinders Fitness is Northglenn's longest-running Boxing, Kickboxing, and Ju Jitsu gym, known for its welcoming atmosphere and focus on newcomers. This gym offers a variety of classes, including Cardio Boxing, Cardio Kickboxing, Technical Striking, and Ju Jitsu. With experienced coaches who have a fighting background, members learn proper techniques while getting an effective workout. Members praise the variety and challenge of workouts, noting that each class is different and keeps them engaged. The supportive community makes Grinders Fitness more than just a gym; it feels like a family. Members appreciate the encouragement from trainers like Shannon and Albert, who are always willing to provide modifications for different fitness levels and personal concerns. Many express that joining Grinders was one of their best decisions, feeling a sense of accomplishment and improvement in their endurance and strength. The friendly environment fosters motivation, with members supporting each other through high fives and positive reinforcement. With flexible class times and a diverse range of equipment, Grinders Fitness caters to all fitness levels, ensuring there is no intimidation or judgment. Overall, Grinders Fitness is highly recommended for those looking to improve their health and learn new skills in a supportive setting.
Shanon so amazing. If have 10 stars I will give to her.very good the Place.
February 2026
First time I went they where so friendly to me and I loved it i extremely recommend it
January 2026
I signed up for a free class and let me tell you! I was so worried I won't fit in or do very good. Everyone was so nice and showed me everything I needed to know! I enjoyed it so much I am taking the six-week Challenge! LET'S GO!!
