How fast is 4 on a treadmill?

Related questions

1. How many steps is 30 minutes on a treadmill?
2. How long does it take to run 5k for a beginner?
3. How fast is 5km in mph?
4. Is it bad to run everyday on a treadmill?
5. How fast is a 6.5 mph mile?
6. Are treadmill speeds accurate?
7. Is running 20 mph fast?
8. Is it better to run outside or on a treadmill?
9. Can a Fitbit Track treadmill?
10. Is running on a treadmill harder or easier?

Tags

1. #jogging
2. #speed
3. #guideline
4. #general
5. #speeds
6. #treadmill
7. #walking
8. #running
9. #anything
10. #people