Modern Boxing Sports Performance (MBSP) is a family-owned boxing and athletic training gym in Riverside, California, serving fighters, youth athletes, beginners, and fitness enthusiasts. Its approach combines technical boxing instruction with modern sports performance training, helping members develop movement, conditioning, strength, speed, and confidence. Training includes boxing fundamentals and drills, footwork, hand speed, head movement, and athletic conditioning, with coaching designed for a range of experience levels.

MBSP offers programs for competitive and aspiring fighters, general fitness participants, and young people. Youth classes serve ages 10–19, while PeeWee sessions are for children ages 5–9. Beginners can start with Boxing & Condition or BURN classes, which introduce technique alongside fitness training. The gym’s facility spans more than 6,000 square feet and includes a professional boxing ring and over 12 heavy bags.

Located at 3394 Tyler Street, MBSP provides a free trial class and complimentary one-on-one introductory session. Members and prospective visitors can review the weekly schedule, book classes, or contact the gym by phone.