8 rounds for time of:
-Run 400 meters
-Rest 90 seconds
Scaling
Each run should be an all-out effort. If you cannot run 400 meters in less than 2 minutes, reduce the distance. Intermediate athletes can complete this workout as prescribed. Newer athletes might want to reduce the number of rounds.
Beginner Option
5 rounds for time of:
-Run 400 meters
-Rest 90 seconds