Some time ago I started using cyclic workouts with well known exercise to replace my running for cardio. The style contained elements from strong lift, I mean big compound moves and High Intensity Interval Training (HIIT) because of the continues rotation between exercises without rest time.  I called it 666 because it's 6 rounds, 6 exercises per round and six reps per exercise. And you time it. So each of the six rounds is as below:    So 666 WOD    1st exercise: Front Squat (50kg) 6 reps  2nd exercise: Pull Ups (body weight) 6 reps  3rd exercise: Bench Press (80kg) 6 reps  4th exercise: Dead Lift (80kg) 6 reps  5th exercise: Barbell row (60kg) 6 reps  6th exercise: Overhead Press, standing with barrel (30kg) 6 reps   That is round one. You should do 5 more rounds without rest.    My personal best is 11 minutes and 15 secs  10 minutes and 25 seconds (28/1/2018). I am 82kg aged 42.  Try it out and let me know what you thing. Be good and strong ...   
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