As a race director you are planning a 5k race. You want to insure fair competition, so you have awards available for a wide range of age groups which insures that athletes of similar ages are competing against peers. Why would this be important?
A. Younger runners (e.g., 15- to 19-year olds) have a higher VO2 max than those who are more mature (e.g., 25- to 29-year olds).
B. Younger runners (e.g., 15- to 19-year olds) have a lower VO2 max than those who are more mature (e.g., 25- to 29-year olds).
C. Trained adolescents tend to have better running economy than trained adults.
D. Trained adults tend to have better running economy than trained adolescents.
Answer: D
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