In the 4.4 range
Troy Polamalu, the NFL strong safety, has a 40 yard dash time of 4.33 seconds. Born in Garden Grove in 1981, Troy played his college football career at USC.
A VERY fast time is 5.3. I run 5.45, average is 5.9
An average time for a 14-year-old running the 50 meter dash is around 9 seconds. For a 100 meter dash, it would be about 13 seconds.
As a 100 yard dash sprinter in the 60's the average time would be about 10.2 to 10.3.
average time is 9.81 seconds
12.5 seconds average time