Kickboxing in Shelby, North Carolina (NC). At 9Round Shelby we specialize in fun, friendly relationships between members and trainers where you will get in shape and have a great time doing it! 9Round is a circuit training workout that incorporates kicks, punches, and more traditional exercises. Timing: Monday-Thursday 8:00 - 1:30 3:30 - 8:00 Friday 8:00 - 1:30 3:30 - 6:00 Saturday 8:00 - 1:00