Level 3: (if you have a sub 8 min mile)
3 rounds for time of:
Run 800 meters
Rest 2 minutes
Level 2: (if you have an 8-10 min mile)
3 rounds for time of:
Run 600 meters
Rest 2 minutes
level 1: (if you have a 10+ min mile)
3 rounds for time of:
Run 400 meters
Rest 2 minutes
*scale to row or bike as needed