Is running 3k in 15 minutes good?
SUB 15-MINUTE 5K: WORKOUTS AND TRAINING | SAGE CANADAY RUNNING TIPS CROSS COUNTRY AND TRACK
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How To Run A Sub 20 Min 5K
The Internet says that it takes 150 minutes a week to go in for sports to stay in good physical shape. I do 4 times a week, for about 15-25 minutes. Then I stretch for 25 minutes. Can stretching count as extra workout time?