That is a very good time for a human runner. It equates to an average speed of 12 miles per hour.
0.25 miles a minute, an average of 15 mph......................................
12+ minute mile- low fitness 11 minute mile- below average fitness 10 minute mile-average fitness 9 minute mile- decent fitness 8 minute mile- commendable fitness 7 minute mile- exceptional fitness 6 minute mile- "Athlete Level" fitness 5 minute mile- "Super Athlete Level" Fitness <4 minute mile: WOW
You must maintain an average of 10 mph for one mile.
An average speed of 7.5 mph.
The average time for a mile is about 8 minutes, for runners its 6 minutes, so a sub six minute mile is good for a runner and a sub seven for nonrunners.
A 14-minute mile equates to an average speed of 4.3 miles per hour.
Your average speed must be at least 8 mph.
You have to maintain a minimum average speed of 5.46 mph
An eight minute mile is 660 feet a second.
Your average speed must be at least 10 mph