"Today it's an Accumulate workout. As fast as possible, accumulate your work, however you like. Two ways to approach this 1) break this up into rounds to make the reps more manageable, 2) complete all reps in the order shown. The former will tax your aerobic system, while the latter will be more muscular endurance, and a LOT more difficult. Either way, keep movements smooth and consistent. If the technique gets sloppy, break and rest.
WEIGHT: For Plank Row you can use a can of soup, bottle of water (or sand) , anything you can hold on to and row. For the Front Step Lunges if you want to add weight hold a backpack, sandbag, or anything, Be Creative.