Contenders Boxing is a boxing gym in Kennewick offering boxing classes for ages 8 and up. The gym provides training for people seeking a boxing-based workout as well as those developing skills for sparring and competition. Offerings include advanced sparring for ages 16+ for students progressing from beginner sparring and preparing to compete. The gym describes its environment as family-oriented and offers women-friendly classes, including a women’s-only class taught by a female coach.