A great 20-30 minute workout. If you're a new Spartan or thinking about doing a Spartan Race, this is the workout to start your journey to the finish line.
Great cardio circuit with or without the treadmill running portion! You could build up to the running level by level.
BusyBod I Short, intense, total body HIIT workout (no equipment needed!)
If you're looking to burn calories, lose weight and slim down, HITT is the way to fo. With High-intensity interval training, you can workout less and gain more. Here's a 25 minute total-body HIIT-Workout to get you started. #HIIT
Tabata "Jacks" Workout -- this tabata workout will take you 16 minutes in total. Each set of exercises includes a "jack" (jumping jack, plank jacks, squat jacks, etc.)