12 Surprising Facts And Numbers All About Those Runner Feet
These facts and figures ensure that you’ll be able to put your best foot forward—at least when it comes to podial knowledge.
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1mm
The average length toenails grow per month.
1978
The year the first women’s running shoe was sold by Nike.
20 percent
The percentage of the U.S. population that has high arches.
25 percent
The percentage of the U.S. population that has flat feet.
5-6 months
How long it will take to regrow a lost toenail.
Size 5-13
The size range for women’s athletic shoes (in the U.S.).
8,000
We have roughly this many nerves in our feet.
10 percent
The estimated percentage of the U.S. population with toenail fungus.
1324
Shoe sizes were first established this year by King Edward II of England. The diameter of one grain of barley (about a third of an inch) represented the difference between sizes.
250,000
The number of sweat glands in a pair of feet.
54,000 years ago
Shoes were first fashioned out of animal skins during the Ice Age.
1 in 1,000
The rate at which infants are born with polydactyly, meaning they have one or more extra toes or fingers.
