A Certified Russian Kettlebell Instructor, or RKC, is one who has passed the Russian Kettlebell Challenge. There are currently five levels of RKC: The Master RKC, The Senior RKC, The RKC Team Leader, The RKCII Instructor, and The RKC Instructor.
A Certified Russian Kettlebell Instructor, or RKC, is one who has passed the Russian Kettlebell Challenge. There are currently five levels of RKC: The Master RKC, The Senior RKC, The RKC Team Leader, The RKCII Instructor, and The RKC Instructor.