Reaction MMA and Brazilian Jiu-Jitsu

Reaction MMA and Brazilian Jiu-Jitsu is a personal trainer in Nicholasville, KY, offering classes in Brazilian jiu-jitsu, Muay Thai, boxing, wrestling, and mixed martial arts for men, women, and children of all ages. The school serves students ranging from first-time beginners to seasoned competitors, and draws members from Nicholasville, Lexington, Versailles, Georgetown, Winchester, and surrounding communities. It holds a rating of 4.90 from its customers.

The school is led by Professor Rob Nickerson III, described as one of Kentucky's most decorated martial artists and coaches, alongside six black belt coaches. Reaction MMA fields some of the most successful pro and amateur MMA fighters in the state, and its members also compete in grappling events sanctioned by the IBJJF, ADCC, AGF, NAGA, Grappler's Quest, OGC, and EGO, in Muay Thai and kickboxing under the IKF, and in amateur boxing through AAU, Golden Gloves, and Silver Gloves. Fighters produced by the school have competed in organizations including King of the Cage, XFC, RFA, and the UFC. Reaction MMA is Kentucky's only IBJJF team champion, having earned three IBJJF team titles at the Charlotte International Open and back-to-back championships at the Charleston International Open, along with six second-place and three third-place team finishes, for twelve total IBJJF team podium finishes. In 2026 the school also became the first Kentucky team to earn two youth IBJJF team awards. The school offers a free introductory class for those interested in training.

Reaction MMA sits on Zoe Road in Nicholasville, just a short drive south of Lexington's Fayette Mall, past Brannon Crossing, and situated near Sam's Club. It was voted Best of Lexington for the third year in a row.