You have to be able to run at least a 5.5 40yard dash or else you have no chance.
Pretty fast, but not Mike Wallace or running/full back fast.
most would want a small fast running back so he could go through holes fast. in college you dont see many tall running backs at all
barry sanders was the best running back of all time. he was fast, strong, and elusive i agree
A cardio sport that will help in running would be basketball or soccer. Both sports involve a lot of running back and forth and it will get your heart rate beating fast.
depends how fast you are and if your fat
Fast
It does not matter, but the measure is around 5-11. Just make sure you are fast and know what to do.
Running to safe ground as fast as you can with out looking back.
i think fast running is very best for reduce fat fast
A zephyr is a wind. A greyhound is a fast-running dog. A greyhound zephyr is maybe a wind that moves as fast as a fast-running dog.
You need speed but you don't have to be the fastest. You have be able to cover Wide Receiver and running back come out of back field. Be able to see the field well and get where you need to be on the field.
you get fast at swimming the same way you get fast at running. you have to practice alot.