iLoveKickboxing - Denver/Lowry - Experience the most FUN, Calorie Crushing workout of your life! Unleash your Fierce with our beginner-friendly classes which naturally tone muscles, builds confidence, and knocks out stress. Come Crush The Best Hour Of Your Day! Services - Fitness, Kickboxing, Muay Thai, Krav Maga, Nutrition and Accountablity all wrapped together.