Complex sentence: Sixteen Peruvian sporting federations are headquartered at the national stadium; these include the Boxing, Karate, Bodybuilding, Kung Fu, Taekwondo and Volleyball federations.
Split into simpler sentences: Sixteen Peruvian sporting federations are headquartered at the national stadium. These include the Boxing, Karate, Bodybuilding, Kung Fu, Taekwondo and Volleyball federations.