4 rounds of Tabata row (calories), bike (calories), jump rope (SINGLES) and Grasshoppers.
You may do it in any order.
Choose one, or mix and match.
Rest 5 minutes between rounds.
The Tabata interval is 20 seconds of work followed by 10 seconds of rest for 8 intervals.
Post exercise and score for each round to the whiteboard and total score to the Zen.