Quick Answer. The average human running speed is 12 to 15 miles per hour for short-distance sprinting and 5 to 8 mph for long-distance running. Running times vary based on training and overall fitness levels.
Attachment D - Demographic Information on Older Individuals. Population Served. According to the U.S. Census Bureau, in 2010 there were 3.8 million people in Texas age 60 and older; they made up approximately 15 percent of the total Texas population of 25 million.
Nationally, the U.S. population grew by 0.7 percent to 323.1 million. Furthermore, the population of voting-age residents, adults age 18 and over, grew to 249.5 million, making up 77.2 percent of the population in 2016, an increase of 0.9 percent from 2015 (247.3 million).