Harbinger is a fast-moving, high-burn workout that will make you nimble on your feet and agile in your movements. It will push your cardiovascular system and test your VO2 Max without, however, pushing you to the limit. This gives you plenty of options to jazz it up by raising your knees during March Steps to knee height and adding EC so your downtime is kept to a minimum.
Extra Credit: 1 minute rest between sets.
