In twice the time she would walk twice as far...
90 hours 56 minutes at an average of 65 mph
If you ran 3 miles in a half an hour you were averaging six miles an hour.
107 hours 41 minutes at an average of 65 mph
14 hours 42 minutes averaging 65 mph
Set the treadmill at 6.6 mph
You are averaging 12 miles per hour.
You must maintain an average of 10 mph for one mile.
3 hours 20 minutes.
You are averaging 33 miles per hour.
To run a 13-minute mile you will need to average 4.62 miles per hour for the whole 13 minutes.
About 131 hours 36 minutes averaging 65 mph
About 9 hours 13 minutes averaging 65 mph