Reading Metrics
Grade Level
Middle Grades Plus (MG+ 6 and up)
Book Level
7.4
Points
8.0
Fiction/Nonfiction
Nonfiction
Word Count
47529
Points per Word
0.000168
Page Count
256
Points per Page
0.03125
Description
There was a time when running the mile in four minutes was believed to be beyond the limits of human foot speed. In 1952, after suffering defeat at the Helsinki Olympics, three world-class runners each set out to break this barrier.