6 rounds, each for time, of: 400-meter run
Rest 90 seconds between rounds. Log each round; score is total run time.
Post times to comments.
Stimulus and Strategy:
Today’s workout features 400-meter running intervals totaling 1.5 miles. Be ready to challenge your speed endurance and recovery with only a short rest between efforts. Find a pace you can maintain across all 6 rounds, aiming to keep your finish times within about 5 seconds of each other.
Intermediate option: Same as Rx'd.
Beginner option, 4 rounds, each for time, of: 200-meter run
Rest 2 minutes between rounds. Log each round; score is total run time.