Performance and fitness

Five sets of:
90 seconds of Rowing (for Calories)
30 seconds of Rest
90 seconds of Kettlebell Swings (for max reps)
30 seconds of Rest
90 seconds of Double-Unders (for max reps)
30 seconds of Rest
90 seconds of Front Leaning Rest on Rings
(keep torso rigid and scaps retracted)
30 seconds of Rest

Brutal! So long!